* {
  box-sizing: border-box;
}

body,
html {
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Verdana, sans-serif;
  font-size: 16px;
  background-color: azure;
  display: flex;
  justify-content: center;
}

main {
  width: 700px;
  max-width: 700px;
  margin-top: 25px;
}

.controls {
  display: flex;
}

.controls a {
  display: block;
  text-decoration: none;
}

.btn-info {
  background-image: url(img/info.png);
  background-repeat: no-repeat;
  width: 32px;
  height: 32px;
  display: none;
  justify-content: flex-end;
}

.btn-info-close {
  background-position: 0 -32px;
}

#info {
  max-width: 400px;
  height: auto;
  position: fixed;
  bottom: 0;
  right: 0;
  display: none;
  outline: 1px solid #ddd;
  border-top: 1px solid #fff;
  padding: 10px;
  background: #f0f0f0;
  color: #626262;
  z-index: 10000;
  cursor: pointer;
}

fieldset {
  border: 1px solid #3b3b3b;
  margin-top: 5px;
}

legend {
  padding: 0 10px;
}

label {
  font-weight: 700;
}

#pl {
  display: none;
}

#pl fieldset div {
  margin-top: 5px;
}

#pl fieldset div:last-child {
  margin-bottom: 5px;
}

#range {
  display: flex;
  /*IE11*/
  flex: 0 0 auto;
  align-items: center;
  width: 100%;
  max-width: 100px;
  height: 34px;
  padding-left: 3px;
  margin-left: 4px;
  background-color: #3b3b3b;
}

.controls input[type=range] {
  -webkit-appearance: none;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
  width: 100%;
  height: 10px;
  margin: 0;
  border: none;
  padding: 1px 2px;
  border-radius: 14px;
  background: #3b3b3b;
  box-shadow: inset 0 1px 0 0 #0d0e0f, inset 0 -1px 0 0 #3a3d42;
  -webkit-box-shadow: inset 0 1px 0 0 #0d0e0f, inset 0 -1px 0 0 #3a3d42;
  outline: 0;
}

.controls input[type=range]::-moz-range-track {
  border: inherit;
  background: 0 0;
}

.controls input[type=range]::-ms-track {
  border: inherit;
  color: transparent;
  background: 0 0;
}

.controls input[type=range]::-ms-fill-lower,
.controls input[type=range]::-ms-fill-upper {
  background: 0 0;
}

.controls input[type=range]::-ms-tooltip {
  display: none;
}

.controls input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 8px;
  border: none;
  border-radius: 12px;
  background: #1f4037;
  background: -webkit-linear-gradient(to bottom, #99f2c8, #1f4037);
  background: linear-gradient(to bottom, #99f2c8, #1f4037);
}

.controls input[type=range]::-moz-range-thumb {
  width: 30px;
  height: 8px;
  border: none;
  border-radius: 12px;
  background: #1f4037;
  background: linear-gradient(to bottom, #99f2c8, #1f4037);
}

.controls input[type=range]::-ms-thumb {
  width: 30px;
  height: 8px;
  border-radius: 12px;
  border: 0;
  background: #1f4037;
  background: linear-gradient(to bottom, #99f2c8, #1f4037);
}

.value {
  font-size: 10px;
  margin-left: 2px;
  width: 22px;
  align-items: center;
  display: flex;
  color: #fff;
}

#btns-left {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  background-color: #3b3b3b;
  margin-left: 4px;
  padding-right: 4px;
}

.btn-home {
  width: 32px;
  height: 32px;
  color: #eaeaea;
  transition: color 0.3s ease;
}

.btn-home:hover {
  color: #ffffff;
}

.icon {
  width: 100%;
  height: 100%;
}

.stop {
  background-image: url(img/stop.png);
  background-repeat: no-repeat;
  width: 32px;
  height: 32px;
  border: 1px solid #3b3b3b;
  box-sizing: content-box;
  box-shadow: 0 3px 5px 0 rgba(0, 0, 0, 0.4);
  border-radius: 5%;
}

.stop:active {
  box-shadow: inset 0 0 5px 0 rgba(0, 0, 0, 0.4);
}

#playlist {
  list-style: none;
  margin: 0;
  padding-left: 0;
  display: flex;
  /*IE11*/
  flex: 0 0 auto;
}

#playlist li {
  margin-left: 4px;
  width: 32px;
  height: 32px;
  border: 1px solid #3b3b3b;
  color: rgba(1, 22, 39, 0.75);
  box-shadow: 0 3px 5px 0 rgba(0, 0, 0, 0.4);
  border-radius: 5%;
  box-sizing: content-box;
  display: flex;
  /*IE11*/
  flex-grow: 1;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.current {
  box-shadow: inset 0 0 5px 0 rgba(0, 0, 0, 0.4) !important;
  font-weight: bold;
}

p {
  padding: 0 5px;
}