Minor improvements

src/index.scss

@@ -28,6 +28,7 @@ html[animations='off'] {
 html {
   height: 100%;
   overflow: hidden;
+  -webkit-font-smooth: antialiased;
 
   @media (min-width: 1000px) and (max-width: 1440px) {
     font-size: 0.875rem;
@@ -66,10 +67,11 @@ noscript {
   @include sub-title-font();
 }
 
-.image,
+img,
 video,
 iframe {
   user-select: none;
+  -webkit-user-select: none;
 }
 
 button {

src/page/figure/figure.scss

@@ -6,6 +6,9 @@
   position: relative;
   cursor: pointer;
 
+  user-select: none;
+  -webkit-user-select: none;
+
   > .start-button {
     @include image-button(var(--large-icon-size));
     @include absolute-center;

src/page/timeline-element/timeline-element.scss

@@ -95,6 +95,7 @@
 
       > .description {
         text-align: center;
+        padding: 0 var(--large-margin);
       }
 
       > .more {