<div id="bg-before"></div>
<div id="bg"></div>

<main>
  <div id="albumCover"></div>
  <div id="progress">
    <div id="progress-bar"></div>
  </div>
  <div id="title">
    <div id="title-text">Hey Girl // Florence Welch, Lady Gaga</div>
  </div>
  <div id="controls">
    <div class="control"><i class="material-icons icon">&#xE045;</i></div>
    <div class="control" id="controls-play" onclick="play()">
      <i class="material-icons icon icon-play">&#xE037;</i>
      <i class="material-icons icon icon-pause">&#xE034;</i>
    </div>
    <div class="control"><i class="material-icons icon">&#xE044;</i></div>
  </div>
</main>
/* Color Of The Year -- https://colorganize.com/?palette=75 */
$rose_quartz__2016: #F7CAC9; 
$serenity__2016: #8EA6D0; 
$marsala__2015: #965352; 
$radiant_orchid__2014: #B565A7; 
$emerald__2013: #169C78; 
$tangerine_tango__2012: #E1523D; 
$honeysuckle__2011: #DA4F70; 
$turquoise__2010: #41B6AB; 
$mimosa__2009: #F0BF59; 
$blue_iris__2008: #595CA1; 
$chili_pepper__2007: #9C1B31; 
$sand_dollar__2006: #DECDBF; 
$blue_turquoise__2005: #4FB0AE; 
$tigerlily__2004: #E4583E; 
$aqua_sky__2003: #7AC5C5; 
$true_red__2002: #C02034; 
$fuchsia_rose__2001: #C94476; 
$cerulean__2000: #9BB7D6;

$albumCover: url(http://gagadaily.com/uploads/stories/monthly_2016_09/joanne.jpg.a6d8d6fd6e671a82ae75e80925ff43d3.jpg);

body {
  background-color: #000;
  color: rgba(255,255,255,.7);
  font-family: 'Montserrat', sans-serif;
  cursor: default;
}

#bg-before {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  box-shadow: inset 0 0 200px #000;
  background: $albumCover 0 / cover fixed;
  filter: blur(20px);  
  animation: blurAni 24s infinite; 
}

#bg {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    background-color: rgba(0,0,0,.6);
    animation: bgAni 18s infinite;
}

@keyframes blurAni {
  0% {
    filter: blur(20px); 
  }
  25% {
    filter: blur(5px); 
  }
  50% {
    filter: blur(15px); 
  }
  75% {
    filter: blur(0); 
  }  
  100% {
    filter: blur(20px); 
  }  
}

@keyframes bgAni {
  0% {
    background-color: rgba(0,0,0,.6);
  }
  17% {
    background-color: rgba(0,0,0,.7);
  }
  33% {
    background-color: rgba(0,0,0,.9);
  }
  50% {
    background-color: rgba(0,0,0,.5);
  }
  67% {
    background-color: rgba(0,0,0,.8);
  }
  100% {
    background-color: rgba(0,0,0,.6);
  }
}

main {
  position: absolute;
  top: 2rem; right: 0; left: 0; bottom: 2rem;
  padding: 0 calc(50% - 10rem);
  text-align: center;
}

#albumCover {
  width: 100%; height: 20rem;
  background-image: $albumCover;
  background-size: cover;
  display: inline-block;
  box-shadow: 0 2rem 4rem rgba(0,0,0,.5);
}

#progress {
  width: 100%;
  background-color: rgba($serenity__2016,.2);
}
#progress-bar {
  width: 0%;
  height: .4rem;
  background-color: $rose_quartz__2016;
  
  &.play {
    animation: progress-bar 240s infinite;
  }
}

@keyframes progress-bar {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}

#title {
  margin: 1rem 0;
  width: 100%;
  overflow: hidden;
  height: 1.1rem;
}

#title-text {
  animation: scrolling-text 16s linear infinite;
}

@keyframes scrolling-text {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(-100%);
  }
}

#controls {
  display: flex;
  align-items: center;
  justify-content: center;
}

$control-size: 2.7rem;

.control {
  width: $control-size; height: $control-size;
  border-radius: 50%;
  border: 1px solid;
  cursor: pointer;
  display: inline-block;
  margin: 1px;
  transition: transform .3s, box-shadow .5s, text-shadow .5s;
  
  &:hover,
  &:focus {
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 0 8px rgba(0,0,0,.5);
    text-shadow: 0 0 8px rgba(0,0,0,.5);
  }
  
  &:active {
    transform: scale(.9);
    box-shadow: none;
    text-shadow: none;
  }
  
  .icon {
    font-size: $control-size;
  }
}

$controls-play-size: 4rem;

#controls-play {
  width: $controls-play-size; height: $controls-play-size;
  font-size: $controls-play-size;
  
  .icon {
    font-size: $controls-play-size;
  }
  
  .icon-pause {
    display: none;
  }
  
  &.play {
    .icon-pause {
      display: block;
    }    
    .icon-play {
      display: none;
    }
  }
}
View Compiled
function addClass( element, classname ) {
if (element.classList)
  element.classList.add(classname);
else
  element.className += ' ' + classname;
}

function removeClass( classname, element ) {
    var cn = element.className;
    var rxp = new RegExp( "\\s?\\b"+classname+"\\b", "g" );
    cn = cn.replace( rxp, '' );
    element.className = cn;
}

var progressBarEl = document.getElementById("progress-bar");
var controlsPlayEl = document.getElementById("controls-play");

function play() {
  addClass(progressBarEl, "play");
  addClass(controlsPlayEl, "play");
}

External CSS

  1. https://fonts.googleapis.com/css?family=Montserrat
  2. https://fonts.googleapis.com/icon?family=Material+Icons

External JavaScript

This Pen doesn't use any external JavaScript resources.