diff --git a/css/main.css b/css/main.css
index c8f2f7c..8ed1c8d 100644
--- a/css/main.css
+++ b/css/main.css
@@ -1,33 +1,19 @@
-/*! HTML5 Boilerplate v8.0.0 | MIT License | https://html5boilerplate.com/ */
-
-/* main.css 2.1.0 | MIT License | https://github.com/h5bp/main.css#readme */
-/*
- * What follows is the result of much research on cross-browser styling.
- * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
- * Kroc Camen, and the H5BP dev community and team.
- */
+:root {
+  --bg-color: #223;
+  --text-color: #eee;
+  --accent-color-1: #ff91d8;
+  --accent-color-1-light: #ffcdff;
+  --accent-color-2: #ffff7d;
+}
 
-/* ==========================================================================
-   Base styles: opinionated defaults
-   ========================================================================== */
 
 html {
-  background-color: #223;
-  color: #EEE;
+  background-color: var(--bg-color);
+  color: var(--text-color);
   font-size: 1em;
   line-height: 1.4;
 }
 
-/*
- * Remove text-shadow in selection highlight:
- * https://twitter.com/miketaylr/status/12228805301
- *
- * Vendor-prefixed and regular ::selection selectors cannot be combined:
- * https://stackoverflow.com/a/16982510/7133471
- *
- * Customize the background color to match your design.
- */
-
 ::-moz-selection {
   background: #b3d4fc;
   text-shadow: none;
@@ -38,25 +24,15 @@ html {
   text-shadow: none;
 }
 
-/*
- * A better looking default horizontal rule
- */
-
 hr {
   display: block;
   height: 1px;
   border: 0;
-  border-top: 1px solid #ccc;
+  border-top: 1px solid var(--text-color);
   margin: 1em 0;
   padding: 0;
 }
 
-/*
- * Remove the gap between audio, canvas, iframes,
- * images, videos and the bottom of their containers:
- * https://github.com/h5bp/html5-boilerplate/issues/440
- */
-
 audio,
 canvas,
 iframe,
@@ -66,20 +42,12 @@ video {
   vertical-align: middle;
 }
 
-/*
- * Remove default fieldset styles.
- */
-
 fieldset {
   border: 0;
   margin: 0;
   padding: 0;
 }
 
-/*
- * Allow only vertical resizing of textareas.
- */
-
 textarea {
   resize: vertical;
 }
@@ -108,11 +76,10 @@ html {
   max-width: 480px;
   display: flex;
   flex-wrap: wrap;
-  gap: 15px;
+  gap: 2em 1em;
   /* flex-direction: column; */
   /* align-content: space-between; */
   justify-content: space-between;
-  /* background-color: green; */
   padding: 1em;
 }
 
@@ -124,62 +91,130 @@ iframe {
   /* box-shadow: 0 0 3em #ffcdff; */
 }
 
-.volumeSlider {
+.volume-slider {
   /* flex-grow: 1; */
   transform: rotate(270deg);
   width: 5em;
-  height: 5em;
+  height: 2em;
 }
 
-#playerA .volumeSlider {
+#playerA .volume-slider {
   /* right: 0; */
 }
 
-#crossfader {
-  width: 30em;
-}
-
 .load-button {
   /* flex-grow: 2; */
   border: none;
+  background-color: var(--accent-color-2);
+  color: var(--bg-color);
+  border-radius: 5px;
   /* padding: 2em; */
   width: 50%;
 }
 
+.speed-control {
+  width: 20%;
+  display: flex;
+  flex-direction: column;
+}
+
+.speed-control span {
+  font-size: 0.8em;
+  margin: auto;
+}
+
+.speed-slider {
+  width: 100%;
+}
+
+.speed-value {
+  display: inline-block;
+}
+
+#crossfader {
+  width: 30em;
+  padding: 3em 0;
+}
+
 /* Custom crossfader styling made using http://danielstern.ca/range.css */
-input[type=range]#crossfader {
-  /* width: 100%; */
-  margin: 18.35px 0;
+input[type=range] {
   background-color: transparent;
   -webkit-appearance: none;
 }
-input[type=range]#crossfader:focus {
+input[type=range]:focus {
   outline: none;
 }
-input[type=range]#crossfader::-webkit-slider-runnable-track {
-  background: #ff91d8;
-  /* border: 2.3px solid #dbd58f; */
+input[type=range]::-webkit-slider-runnable-track {
+  background: var(--accent-color-1);
   border-radius: 25px;
   width: 100%;
-  height: 13.3px;
   cursor: pointer;
 }
+input[type=range]::-webkit-slider-thumb {
+  background: var(--accent-color-2);
+  border: solid var(--accent-color-1-light);
+  border-width: 0px;
+  cursor: pointer;
+  -webkit-appearance: none;
+}
+input[type=range]:focus::-webkit-slider-runnable-track {
+  background: var(--accent-color-1-light);
+}
+input[type=range]::-moz-range-track {
+  background: var(--accent-color-1);
+  width: 100%;
+  cursor: pointer;
+  border-radius: 25px;
+}
+input[type=range]::-moz-range-thumb {
+  background: var(--accent-color-2);
+  border: solid var(--accent-color-1-light);
+  cursor: pointer;
+  border-width: 0px;
+  border-radius: 25px;
+}
+input[type=range]::-ms-track {
+  background: transparent;
+  border-color: transparent;
+  color: transparent;
+  width: 100%;
+  cursor: pointer;
+}
+input[type=range]::-ms-fill-lower {
+  background: var(--accent-color-1);
+  border-radius: 25px;
+}
+input[type=range]::-ms-fill-upper {
+  background: var(--accent-color-1);
+  border-radius: 25px;
+}
+input[type=range]::-ms-thumb {
+  background: var(--accent-color-2);
+  border: solid var(--accent-color-1-light);
+  cursor: pointer;
+  margin-top: 0px;
+  /*Needed to keep the Edge thumb centred*/
+}
+input[type=range]:focus::-ms-fill-lower {
+  background: var(--accent-color-1);
+}
+input[type=range]:focus::-ms-fill-upper {
+  background: var(--accent-color-1-light);
+}
+
+/*------------------------*/
+input[type=range]#crossfader::-webkit-slider-runnable-track {
+  height: 13.3px;
+}
 input[type=range]#crossfader::-webkit-slider-thumb {
   margin-top: -20.65px;
   width: 30px;
   height: 50px;
-  background: #ffff7d;
-  border: 5px solid #ffcdff;
+  border-width: 5px;
   border-radius: 12px;
-  cursor: pointer;
-  -webkit-appearance: none;
-}
-input[type=range]#crossfader:focus::-webkit-slider-runnable-track {
-  background: #ffbae6;
 }
+
 input[type=range]#crossfader::-moz-range-track {
-  background: #ff91d8;
-  /* border: 2.3px solid #dbd58f; */
   border-radius: 25px;
   width: 100%;
   height: 13.3px;
@@ -188,54 +223,30 @@ input[type=range]#crossfader::-moz-range-track {
 input[type=range]#crossfader::-moz-range-thumb {
   width: 30px;
   height: 50px;
-  background: #ffff7d;
-  border: 5px solid #ffcdff;
+  border-width: 5px;
   border-radius: 12px;
   cursor: pointer;
 }
 input[type=range]#crossfader::-ms-track {
-  background: transparent;
-  border-color: transparent;
   border-width: 18.75px 0;
-  color: transparent;
-  width: 100%;
   height: 13.3px;
-  cursor: pointer;
 }
 input[type=range]#crossfader::-ms-fill-lower {
-  background: #ff68ca;
-  border: 2.3px solid #dbd58f;
+  border-width: 2.3px;
   border-radius: 50px;
 }
 input[type=range]#crossfader::-ms-fill-upper {
-  background: #ff91d8;
-  /* border: 2.3px solid #dbd58f; */
   border-radius: 50px;
 }
 input[type=range]#crossfader::-ms-thumb {
   width: 30px;
   height: 50px;
-  background: #ffff7d;
-  border: 5px solid #ffcdff;
+  border-width: 5px;
   border-radius: 12px;
   cursor: pointer;
   margin-top: 0px;
   /*Needed to keep the Edge thumb centred*/
 }
-input[type=range]#crossfader:focus::-ms-fill-lower {
-  background: #ff91d8;
-}
-input[type=range]#crossfader:focus::-ms-fill-upper {
-  background: #ffbae6;
-}
-@supports (-ms-ime-align:auto) {
-  /* Pre-Chromium Edge only styles, selector taken from hhttps://stackoverflow.com/a/32202953/7077589 */
-  input[type=range] {
-    margin: 0;
-    /*Edge starts the margin from the thumb, not the track as other browsers do*/
-  }
-}
-
 
 /* ==========================================================================
    Helper classes