diff --git a/src/app/components/modal/modals/create-block/create-block.component.html b/src/app/components/modal/modals/create-block/create-block.component.html
index 581a0e8..ac8762f 100644
--- a/src/app/components/modal/modals/create-block/create-block.component.html
+++ b/src/app/components/modal/modals/create-block/create-block.component.html
@@ -7,8 +7,8 @@
   <!-- wrapper for easier styling -->
   <app-select-add
     class="select"
-    [options]="modalService.active.input"
-    [default]="modalService.active.input[0]"
+    [options]="modalService.active.input.options"
+    [default]="modalService.active.input.options[0]"
     [alwaysDropShadow]="true"
     [onlyShadowBorder]="true"
     [placeholder]="'Tag this item…'"
@@ -24,10 +24,10 @@
   <app-toggle
     [beforeText]="'This task hasn\'t been finished yet'"
     [afterText]="'Goal already accomplished'"
-    [default]="false"
+    [default]="!modalService.active.input.isTask"
     (value)="isDone = $event"
   ></app-toggle>
 </div>
 <!-- wrapper for easier styling -->
 
-<button (click)="submit()">Create</button>
+<button (click)="submit()" [disabled]="!selected">Create</button>
diff --git a/src/app/components/modal/modals/create-block/create-block.component.ts b/src/app/components/modal/modals/create-block/create-block.component.ts
index 1911040..bbf3d84 100644
--- a/src/app/components/modal/modals/create-block/create-block.component.ts
+++ b/src/app/components/modal/modals/create-block/create-block.component.ts
@@ -14,6 +14,10 @@ export class CreateBlockComponent {
   constructor(public modalService: ModalService) {}
 
   submit() {
+    if (!this.selected) {
+      return;
+    }
+
     this.modalService.submit({
       selected: this.selected,
       description: this.description,
diff --git a/src/app/components/pages/page/page.component.html b/src/app/components/pages/page/page.component.html
index e2e2798..3283c47 100644
--- a/src/app/components/pages/page/page.component.html
+++ b/src/app/components/pages/page/page.component.html
@@ -16,7 +16,7 @@
 </section>
 
 <img
-  *ngIf="isDragging"
+  [ngClass]="isDragging ? 'active' : ''"
   src="assets/trash.svg"
   alt="trashcan"
   (pointerenter)="trashEnter()"
@@ -24,9 +24,9 @@
   (pointerup)="removeTower()"
 />
 
-<div class="double-slider-container">
+<div class="double-slider-container" [ngStyle]="{ opacity: isDragging ? '0' : '1' }">
   <app-double-slider
-    *ngIf="!isDragging && dates.length >= MIN_BLOCK_COUNT_BEFORE_SHOWING_SLIDER"
+    *ngIf="dates.length >= MIN_BLOCK_COUNT_BEFORE_SHOWING_SLIDER"
     [values]="dates"
     [labels]="dateLabels"
     (lowerBound)="startDate = $event"
diff --git a/src/app/components/pages/page/page.component.scss b/src/app/components/pages/page/page.component.scss
index 6c634b5..58b5052 100644
--- a/src/app/components/pages/page/page.component.scss
+++ b/src/app/components/pages/page/page.component.scss
@@ -17,6 +17,8 @@
     justify-content: center;
 
     width: 100%;
+    margin-left: auto;
+    margin-right: auto;
 
     flex: 1 0 auto;
 
@@ -28,7 +30,33 @@
       }
     }
 
-    @include inner-spacing(var(--medium-padding), $horizontal: true);
+    max-width: 800px;
+
+    & > * {
+      max-width: 200px;
+      box-sizing: content-box;
+      flex: 0 0 auto;
+
+      &:not(:nth-last-child(1)) {
+        margin-right: var(--medium-padding);
+        @media (max-width: $mobile-width) {
+          margin-right: var(--small-padding);
+        }
+      }
+    }
+
+    position: relative;
+
+    @for $i from 1 to 6 {
+      & > *:first-child:nth-last-child(#{$i}),
+      & > *:first-child:nth-last-child(#{$i}) ~ * {
+        width: calc((100% - (#{$i} - 1) * var(--medium-padding)) / #{$i});
+
+        @media (max-width: $mobile-width) {
+          width: calc((100% - (#{$i} - 1) * var(--small-padding)) / #{$i});
+        }
+      }
+    }
   }
 
   .double-slider-container {
@@ -38,16 +66,25 @@
   }
 
   img {
-    @include square(47.33333px);
-    padding: 47.3333px 0;
-    margin: auto;
+    @include square(48px);
+    padding: 16px;
 
-    position: relative;
+    position: absolute;
     z-index: 1500;
+    bottom: 8px;
+    left: 50%;
+    margin: 0 !important;
+
+    transform: translateX(-50%) scale(0);
 
     transition: transform $long-animation-time;
+
+    &.active {
+      transform: translateX(-50%) scale(1);
+    }
+
     &:hover {
-      transform: scale(1.2);
+      transform: translateX(-50%) scale(1.1);
     }
   }
 }
diff --git a/src/app/components/pages/page/page.component.ts b/src/app/components/pages/page/page.component.ts
index 4dcafc2..73a52c5 100644
--- a/src/app/components/pages/page/page.component.ts
+++ b/src/app/components/pages/page/page.component.ts
@@ -1,4 +1,4 @@
-import { Component, Input } from '@angular/core';
+import { Component, EventEmitter, Input, Output } from '@angular/core';
 import { Page } from '../../../model/page';
 import { ModalService } from '../../../services/modal.service';
 import { DataService } from '../../../services/data.service';
@@ -20,6 +20,8 @@ export class PageComponent {
     this.updateDates();
   }
 
+  @Output() isDragHappening: EventEmitter<boolean> = new EventEmitter();
+
   get page(): Page {
     return this._page;
   }
@@ -59,11 +61,13 @@ export class PageComponent {
   dropDrag(event: any) {
     this.page.moveTower(event);
     this.isDragging = false;
+    this.isDragHappening.emit(false);
   }
 
   startDrag(id: number) {
     this.draggedTowerIndex = id;
     this.isDragging = true;
+    this.isDragHappening.emit(true);
   }
 
   trashEnter() {
diff --git a/src/app/components/pages/page/tower/tasks/tasks.component.html b/src/app/components/pages/page/tower/tasks/tasks.component.html
index 521a8cc..ca6ed66 100644
--- a/src/app/components/pages/page/tower/tasks/tasks.component.html
+++ b/src/app/components/pages/page/tower/tasks/tasks.component.html
@@ -1,16 +1,14 @@
-<div class="container">
+<div class="container {{ tasks.length > 0 ? 'show-hover' : '' }}">
   <p class="header" (click)="isOpen = !isOpen">
-    {{ tasks.length == 0 ? 'no' : '' }}
     <strong>
       {{ tasks.length == 0 ? '' : tasks.length }}
     </strong>
-    {{ tasks.length == 1 ? 'task' : 'tasks' }}
+    {{ tasks.length == 0 ? '&#8203;' : tasks.length == 1 ? 'task' : 'tasks' }}
   </p>
   <div class="all-task" #allTask [ngStyle]="{ height: (isOpen ? allTask?.scrollHeight : 0) + 'px' }">
-    <p
-      *ngFor="let task of tasks"
-      (click)="handleClick(task)"
-      [innerText]="task.description ? task.description : 'unknown'"
-    ></p>
+    <div class="task-container" *ngFor="let task of tasks" [ngStyle]="{ color: task.color.toString() }">
+      <div [ngStyle]="{ 'background-color': task.color.toString() }"></div>
+      <p (click)="handleClick(task)" [innerText]="task.description ? task.description : 'unknown'"></p>
+    </div>
   </div>
 </div>
diff --git a/src/app/components/pages/page/tower/tasks/tasks.component.scss b/src/app/components/pages/page/tower/tasks/tasks.component.scss
index 0378065..7728456 100644
--- a/src/app/components/pages/page/tower/tasks/tasks.component.scss
+++ b/src/app/components/pages/page/tower/tasks/tasks.component.scss
@@ -3,12 +3,20 @@
 :host {
   width: 100%;
   box-sizing: border-box;
+  position: relative;
+  z-index: 100000;
 
   .container {
     @include card();
-    box-shadow: $shadow-border;
-    padding: var(--small-padding);
-    margin: var(--small-padding);
+
+    cursor: pointer;
+    transition: box-shadow $long-animation-time;
+    &.show-hover:hover {
+      box-shadow: $shadow-border;
+    }
+
+    padding: calc(var(--small-padding) / 2);
+    margin: calc(var(--small-padding) / 2);
 
     max-height: 30vh;
     overflow-y: auto;
@@ -18,7 +26,6 @@
     }
 
     p {
-      width: 100%;
       font-size: var(--medium-font-size);
     }
 
@@ -29,23 +36,43 @@
         margin-top: var(--small-padding);
       }
 
-      width: 100%;
+      height: 0;
       box-sizing: border-box;
-
+      transition: height $long-animation-time;
       overflow-y: hidden;
 
-      height: 0;
-      transition: height $long-animation-time;
-
-      p {
-        max-width: 60px;
-        white-space: nowrap;
-        text-overflow: ellipsis;
-        overflow-x: hidden;
-        text-align: left;
+      .task-container {
+        display: flex;
+        align-items: center;
 
         &:hover {
-          font-weight: bold;
+          p {
+            @media (min-width: $mobile-width) {
+              color: inherit !important;
+            }
+          }
+        }
+
+        div {
+          flex: 0 0 auto;
+          margin: 0 calc(var(--small-padding) / 2) 0 0;
+          @include square(var(--small-padding));
+          @media (max-width: $mobile-width) {
+            @include square(calc(var(--small-padding) / 2));
+          }
+        }
+
+        p {
+          white-space: nowrap;
+          text-overflow: ellipsis;
+          overflow-x: hidden;
+          text-align: left;
+
+          @media (max-width: $mobile-width) {
+            font-size: var(--small-font-size);
+          }
+
+          position: relative;
         }
       }
     }
diff --git a/src/app/components/pages/page/tower/tasks/tasks.component.ts b/src/app/components/pages/page/tower/tasks/tasks.component.ts
index 4364249..de0a612 100644
--- a/src/app/components/pages/page/tower/tasks/tasks.component.ts
+++ b/src/app/components/pages/page/tower/tasks/tasks.component.ts
@@ -2,6 +2,7 @@ import { Component, ElementRef, Input, OnInit, ViewChild } from '@angular/core';
 import { Block } from '../../../../../model/block';
 import { Tower } from '../../../../../model/tower';
 import { ModalService } from '../../../../../services/modal.service';
+import { CancelService } from '../../../../../services/cancel.service';
 
 @Component({
   selector: 'app-tasks',
@@ -12,11 +13,25 @@ export class TasksComponent implements OnInit {
   @Input() tasks: Block[];
   @Input() tower: Tower;
 
-  @Input() isOpen = false;
+  private _isOpen = false;
+  @Input() set isOpen(value: boolean) {
+    if (value) {
+      this.cancelService.cancelAllExcept(this);
+    }
+    this._isOpen = value;
+  }
+
+  get isOpen(): boolean {
+    return this._isOpen;
+  }
 
   @ViewChild('allTask') allTask: ElementRef;
 
-  constructor(private modalService: ModalService) {}
+  constructor(private modalService: ModalService, private cancelService: CancelService) {
+    this.cancelService.subscribe(this, () => {
+      this.isOpen = false;
+    });
+  }
 
   ngOnInit() {}
 
@@ -39,4 +54,16 @@ export class TasksComponent implements OnInit {
       // pass
     }
   }
+
+  public async addTask() {
+    try {
+      const { selected: tag, description, isDone } = await this.modalService.showCreateBlock({
+        options: this.tower.tags,
+        isTask: true
+      });
+      this.tower.addBlock({ tag, description, isDone });
+    } catch (e) {
+      // pass
+    }
+  }
 }
diff --git a/src/app/components/pages/page/tower/tower.component.html b/src/app/components/pages/page/tower/tower.component.html
index 5308cde..9daa13d 100644
--- a/src/app/components/pages/page/tower/tower.component.html
+++ b/src/app/components/pages/page/tower/tower.component.html
@@ -15,7 +15,7 @@
   <input
     id="tower-name"
     type="text"
-    placeholder="…"
+    placeholder="name…"
     [(ngModel)]="tower.name"
     [ngStyle]="{ color: tower.baseColor.toString() }"
   />
diff --git a/src/app/components/pages/page/tower/tower.component.scss b/src/app/components/pages/page/tower/tower.component.scss
index 2437cec..239ae2b 100644
--- a/src/app/components/pages/page/tower/tower.component.scss
+++ b/src/app/components/pages/page/tower/tower.component.scss
@@ -11,8 +11,17 @@
     opacity: 0;
   }
 
-  &.cdk-drag-preview,
   &:hover {
+    @media (min-width: $mobile-width) {
+      div {
+        .container {
+          box-shadow: $shadow;
+        }
+      }
+    }
+  }
+
+  &.cdk-drag-preview {
     div {
       .container {
         box-shadow: $shadow;
@@ -39,7 +48,7 @@
     display: flex;
     flex-direction: column;
     align-items: center;
-    width: 100%;
+    max-width: 100%;
     height: 100%;
 
     @include inner-spacing(var(--small-padding));
@@ -52,7 +61,7 @@
       position: relative;
 
       @include card();
-
+      overflow: hidden;
       transition: transform $short-animation-time, box-shadow $long-animation-time;
 
       @include inner-spacing(var(--medium-padding));
@@ -65,7 +74,7 @@
         pointer-events: none;
 
         position: absolute;
-        z-index: 3;
+        z-index: 2;
 
         left: 0;
         top: 0;
@@ -85,9 +94,9 @@
         position: relative;
         z-index: 2;
 
-        height: 56px;
+        height: 48px;
         @media (max-width: $mobile-width) {
-          height: 42px;
+          height: 32px;
         }
 
         opacity: 0.33;
@@ -130,7 +139,7 @@
     }
 
     input[type='text'] {
-      font-size: var(--medium-font-size);
+      font-size: var(--small-font-size);
       text-align: center;
       @media (min-width: $mobile-width) {
         width: 50%;
diff --git a/src/app/components/pages/page/tower/tower.component.ts b/src/app/components/pages/page/tower/tower.component.ts
index 8c4be1c..124bb43 100644
--- a/src/app/components/pages/page/tower/tower.component.ts
+++ b/src/app/components/pages/page/tower/tower.component.ts
@@ -1,4 +1,4 @@
-import { Component, ElementRef, Input, ViewChild } from '@angular/core';
+import { Component, Input } from '@angular/core';
 import { Tower } from '../../../../model/tower';
 import { ModalService } from '../../../../services/modal.service';
 import { Block } from '../../../../model/block';
@@ -40,7 +40,10 @@ export class TowerComponent {
 
   public async addBlock() {
     try {
-      const { selected: tag, description, isDone } = await this.modalService.showCreateBlock(this.tower.tags);
+      const { selected: tag, description, isDone } = await this.modalService.showCreateBlock({
+        options: this.tower.tags,
+        isTask: false
+      });
       this.tower.addBlock({ tag, description, isDone });
     } catch (e) {
       // pass
diff --git a/src/app/components/pages/pages.component.html b/src/app/components/pages/pages.component.html
index 2814cfb..328126b 100644
--- a/src/app/components/pages/pages.component.html
+++ b/src/app/components/pages/pages.component.html
@@ -11,8 +11,12 @@
 
 <div class="page-container">
   <!-- wrapper for easier styling -->
-  <app-page *ngIf="dataService.active !== null" [page]="dataService.active"></app-page>
+  <app-page
+    *ngIf="dataService.active !== null"
+    [page]="dataService.active"
+    (isDragHappening)="isDragHappening = $event"
+  ></app-page>
 </div>
 <!-- wrapper for easier styling -->
 
-<button (click)="openSettings()">Settings</button>
+<button [ngClass]="isDragHappening ? 'transparent' : ''" (click)="openSettings()">Settings</button>
diff --git a/src/app/components/pages/pages.component.scss b/src/app/components/pages/pages.component.scss
index e77e995..0388716 100644
--- a/src/app/components/pages/pages.component.scss
+++ b/src/app/components/pages/pages.component.scss
@@ -18,4 +18,12 @@
   .page-container {
     flex: 1 0 auto;
   }
+
+  button {
+    transition: opacity $long-animation-time;
+
+    &.transparent {
+      opacity: 0;
+    }
+  }
 }
diff --git a/src/app/components/pages/pages.component.ts b/src/app/components/pages/pages.component.ts
index bed3181..e8d077d 100644
--- a/src/app/components/pages/pages.component.ts
+++ b/src/app/components/pages/pages.component.ts
@@ -13,6 +13,8 @@ export class PagesComponent {
   @ViewChild('page') page: ElementRef;
   @ViewChild('bottom') bottom: ElementRef;
 
+  isDragHappening = false;
+
   constructor(public dataService: DataService, private modalService: ModalService) {}
 
   async selectPage(selected: string) {
diff --git a/src/app/components/shared/double-slider/double-slider.component.scss b/src/app/components/shared/double-slider/double-slider.component.scss
index aea24ec..1240944 100644
--- a/src/app/components/shared/double-slider/double-slider.component.scss
+++ b/src/app/components/shared/double-slider/double-slider.component.scss
@@ -37,11 +37,12 @@ $slider-size: 40px;
 
       transition: box-shadow $long-animation-time, transform $long-animation-time;
 
-      &:hover {
-        box-shadow: $shadow;
-        transform: translateY(-$slider-size / 2 + $line-height / 2) scale(1.1);
+      @media (min-width: $mobile-width) {
+        &:hover {
+          box-shadow: $shadow;
+          transform: translateY(-$slider-size / 2 + $line-height / 2) scale(1.1);
+        }
       }
-
       cursor: pointer;
 
       position: relative;
diff --git a/src/app/components/shared/double-slider/double-slider.component.ts b/src/app/components/shared/double-slider/double-slider.component.ts
index a25901d..d9318c4 100644
--- a/src/app/components/shared/double-slider/double-slider.component.ts
+++ b/src/app/components/shared/double-slider/double-slider.component.ts
@@ -16,6 +16,12 @@ export class DoubleSliderComponent {
 
     this._values = values;
     this.calculateLabels();
+    if (this._oneValue > this._otherValue) {
+      this._oneValue = this.MAX - 1;
+    } else {
+      this._otherValue = this.MAX - 1;
+    }
+
     this.emitValue();
   }
 
diff --git a/src/app/components/shared/select-add/select-add.component.scss b/src/app/components/shared/select-add/select-add.component.scss
index 799c636..941da58 100644
--- a/src/app/components/shared/select-add/select-add.component.scss
+++ b/src/app/components/shared/select-add/select-add.component.scss
@@ -98,8 +98,10 @@ $inner-padding: var(--medium-padding);
   }
 
   &:hover {
-    .background {
-      box-shadow: $shadow;
+    @media (min-width: $mobile-width) {
+      .background {
+        box-shadow: $shadow;
+      }
     }
   }
 
diff --git a/src/app/components/shared/select-add/select-add.component.ts b/src/app/components/shared/select-add/select-add.component.ts
index 8936fc7..d52f4d3 100644
--- a/src/app/components/shared/select-add/select-add.component.ts
+++ b/src/app/components/shared/select-add/select-add.component.ts
@@ -1,4 +1,5 @@
 import { Component, Input, Output, EventEmitter, ViewChild, ElementRef } from '@angular/core';
+import { CancelService } from '../../../services/cancel.service';
 
 @Component({
   selector: 'app-select-add',
@@ -28,6 +29,12 @@ export class SelectAddComponent {
   newOption: string;
   isOpen = false;
 
+  constructor(private cancelService: CancelService) {
+    this.cancelService.subscribe(this, () => {
+      this.isOpen = false;
+    });
+  }
+
   get otherOptions(): string[] {
     return this.options.filter(a => a !== this.selected);
   }
diff --git a/src/app/model/block.ts b/src/app/model/block.ts
index e1a997b..f4d3cec 100644
--- a/src/app/model/block.ts
+++ b/src/app/model/block.ts
@@ -4,6 +4,11 @@ import { Color } from './color';
 
 export class Block extends Base implements IBlock {
   constructor(props: IBlock) {
+    // TODO: remove
+    if (props.isDone === undefined) {
+      props.isDone = true;
+    }
+
     super(props);
 
     if (this.created.constructor.name !== 'Date') {
diff --git a/src/app/model/page.ts b/src/app/model/page.ts
index 2d4018c..d1cabe2 100644
--- a/src/app/model/page.ts
+++ b/src/app/model/page.ts
@@ -5,6 +5,11 @@ import { ITower } from '../interfaces/persistance/tower';
 
 export class Page extends Base implements IPage {
   constructor(props) {
+    // TODO: remove
+    if (!props.userData) {
+      props.userData = {};
+    }
+
     super(props);
     // @ts-ignore to prevent update message
     this.__towers = this.towers.map(t => this.createTower(t));
@@ -37,7 +42,6 @@ export class Page extends Base implements IPage {
     do {
       hue = Math.random() * 360;
     } while (30 <= hue && hue <= 200);
-    console.log(hue);
 
     this.towers.push(
       this.createTower({
diff --git a/src/app/model/tower.ts b/src/app/model/tower.ts
index 3dc3698..be97bb8 100644
--- a/src/app/model/tower.ts
+++ b/src/app/model/tower.ts
@@ -3,7 +3,7 @@ import { Color } from './color';
 import { Block } from './block';
 import { Base } from './base';
 import { IBlock } from '../interfaces/persistance/block';
-import { hashCode } from '../utils/hash';
+import { hash } from '../utils/hash';
 
 export class Tower extends Base implements ITower {
   constructor(props: ITower) {
@@ -46,7 +46,7 @@ export class Tower extends Base implements ITower {
       if (!this.tags.includes(block.tag)) {
         this.tags.push(block.tag);
       }
-      block.color = this.baseColor.lighten(hashCode(block.tag) * 50);
+      block.color = this.baseColor.lighten(hash(block.tag) * 50);
     }
 
     super.update();
diff --git a/src/app/services/cancel.service.ts b/src/app/services/cancel.service.ts
new file mode 100644
index 0000000..b159577
--- /dev/null
+++ b/src/app/services/cancel.service.ts
@@ -0,0 +1,30 @@
+import { Injectable } from '@angular/core';
+
+interface Subscriber {
+  callback: () => void;
+  object: object;
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class CancelService {
+  private subscribers: Subscriber[] = [];
+
+  constructor() {}
+
+  subscribe(object: object, callback: () => void) {
+    this.subscribers.push({
+      object,
+      callback
+    });
+  }
+
+  cancelAllExcept(except: object) {
+    this.subscribers.filter(s => s.object !== except).map(s => s.callback());
+  }
+
+  cancelAll() {
+    this.subscribers.map(s => s.callback());
+  }
+}
diff --git a/src/app/services/modal.service.ts b/src/app/services/modal.service.ts
index dcbf171..e7c85fa 100644
--- a/src/app/services/modal.service.ts
+++ b/src/app/services/modal.service.ts
@@ -1,6 +1,7 @@
 import { Injectable } from '@angular/core';
 import { Tower } from '../model/tower';
 import { top } from '../utils/top';
+import { CancelService } from './cancel.service';
 
 export enum ModalType {
   createBlock,
@@ -25,8 +26,13 @@ interface Modal {
 export class ModalService {
   private modalStack: Modal[] = [];
 
-  showCreateBlock(options: string[]): Promise<{ selected: string; description: string; isDone: boolean }> {
-    return this.createPromiseAndPushToStack(options, ModalType.createBlock);
+  constructor(private cancelService: CancelService) {}
+
+  showCreateBlock(input: {
+    options: string[];
+    isTask: boolean;
+  }): Promise<{ selected: string; description: string; isDone: boolean }> {
+    return this.createPromiseAndPushToStack(input, ModalType.createBlock);
   }
 
   showEditBlock(data: {
@@ -65,6 +71,8 @@ export class ModalService {
   }
 
   private createPromiseAndPushToStack(input: any, type: ModalType): Promise<any> {
+    this.cancelService.cancelAll();
+
     const modal = {
       input,
       type,
diff --git a/src/app/services/store.service.ts b/src/app/services/store.service.ts
index 19d20ea..702ae3b 100644
--- a/src/app/services/store.service.ts
+++ b/src/app/services/store.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 import { Page } from '../model/page';
 
-const LOCAL_STORAGE_KEY = 'life-towers.data.v.2.1';
+const LOCAL_STORAGE_KEY = 'life-towers.data.v.2';
 
 @Injectable({
   providedIn: 'root'
diff --git a/src/app/utils/hash.ts b/src/app/utils/hash.ts
index d7a5392..049f611 100644
--- a/src/app/utils/hash.ts
+++ b/src/app/utils/hash.ts
@@ -1,14 +1,8 @@
-export const hashCode = (text: string) => {
-  let hash = 0;
-  if (text.length == 0) {
-    return hash;
+export const hash = (text: string): number => {
+  // Return number between 0 and 1.
+  if (!text) {
+    return 0;
   }
-  for (let i = 0; i < text.length; i++) {
-    const char = text.charCodeAt(i);
-    hash = (hash << 5) - hash + char;
-    hash = hash & hash;
-  }
-
-  hash /= Math.pow(2, 32) - 1;
-  return hash;
+  const hash = Array.prototype.reduce.call(text, (hash, char) => (hash << 5) - hash + char.charCodeAt(0), 7);
+  return hash / (Math.pow(2, 32) - 1);
 };
diff --git a/src/library/common-variables.scss b/src/library/common-variables.scss
index 26cd528..c09ae5c 100644
--- a/src/library/common-variables.scss
+++ b/src/library/common-variables.scss
@@ -1,5 +1,5 @@
 $accent-color: #a2666f;
-$text-color: #5d576b;
+$text-color: #5d576bff;
 $light-color: #ffffff;
 
 $background-gradient: linear-gradient(90deg, #fff9e077 0, #ffd6d677 100%);
diff --git a/src/library/forms.scss b/src/library/forms.scss
index b0e96e8..0e730a1 100644
--- a/src/library/forms.scss
+++ b/src/library/forms.scss
@@ -43,10 +43,35 @@ button {
 
   background: transparent;
   border: 0;
-  text-decoration: underline;
 
   @include medium-text();
-  @include jump();
+  font-size: var(--large-font-size);
+  $height: 2px;
+  cursor: pointer;
+  border-bottom: solid $height #5d576b55;
+  position: relative;
+
+  &:disabled {
+    color: #5d576b55;
+    border-bottom: solid $height #5d576b33;
+    cursor: not-allowed;
+  }
+
+  &:not(:disabled):hover {
+    &:after {
+      width: 100%;
+    }
+  }
+  &:after {
+    content: '';
+    width: 0;
+    height: $height;
+    position: absolute;
+    left: 0;
+    bottom: calc(-1 * #{$height});
+    background-color: $text-color;
+    transition: width 300ms;
+  }
 }
 
 label {
diff --git a/src/library/main.scss b/src/library/main.scss
index 12a85ea..47bddb0 100644
--- a/src/library/main.scss
+++ b/src/library/main.scss
@@ -60,3 +60,8 @@ img {
   border-radius: var(--border-radius);
   cursor: pointer;
 }
+
+* {
+  -webkit-touch-callout: none;
+  -webkit-tap-highlight-color: transparent;
+}