style.css

*,
*:before,
*:after {
    box-sizing: border-box;
}

.hide {
    display: none !important;
}

button {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
}


/*------------------------
    Audio Player - AP
------------------------*/


/* Player and control panel */

.ap {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    height: 50px;
    margin: auto;
    font-family: Arial, sans-serif;
    font-size: 14px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    color: #333;
    background: #f1f1f1;
    border-top: 1px solid #ccc;
    z-index: 9999;
}

.ap-inner {
    max-width: 1440px;
    margin: 0 auto;
}

.ap-panel {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
}

.ap-item {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
}

.ap--track {
    -webkit-box-flex: 1;
    -webkit-flex: 1 40%;
    -ms-flex: 1 40%;
    flex: 1 40%;
    padding: 0 20px;
}


/* Info section */

.ap-info {
    width: 100%;
    position: relative;
    -webkit-align-self: flex-start;
    -ms-flex-item-align: start;
    align-self: flex-start;
    padding: 5px 0 0;
}

.ap-title {
    position: relative;
    overflow: hidden;
    padding-right: 80px;
    text-align: left;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.ap-time {
    position: absolute;
    top: 5px;
    right: 0;
}

.ap-progress-container {
    padding: 5px 0 10px;
    cursor: pointer;
}

.ap-progress {
    position: relative;
    height: 3px;
    border-radius: 5px;
    background: rgba(0, 0, 0, .2);
}

.ap-preload-bar,
.ap-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    border-radius: 5px 0 0 5px;
    background: rgba(0, 0, 0, .3);
    z-index: 999;
}

.ap-bar {
    background: #f50;
    z-index: 9999;
}

.ap-bar:after {
    position: absolute;
    top: 0;
    right: -5px;
    width: 12px;
    height: 12px;
    margin-top: -4px;
    content: '';
    border-radius: 6px;
    background: #f50;
    opacity: 0;
    -webkit-transition: opacity .3s ease;
    transition: opacity .3s ease;
}

.ap-progress-container:hover .ap-bar:after {
    opacity: 1;
}


/* Buttons */

.ap-controls {
    position: relative;
    z-index: 1000;
    display: block;
    height: 50px;
    cursor: pointer;
    -webkit-transition: background .2s ease;
    transition: background .2s ease;
    text-align: center;
    color: #fff;
    border: 0;
    outline: 0;
    background: none;
}

.ap-controls svg {
    fill: #333;
}

.ap-controls:hover svg {
    fill: #222;
}

.ap-controls:active {
    background: rgba(0, 0, 0, .1);
}

.ap--playback>.ap-controls,
.ap--settings>.ap-controls {
    -webkit-box-flex: 0;
    -webkit-flex: 0 25%;
    -ms-flex: 0 25%;
    flex: 0 25%;
}

.ap--pause,
.playing>.ap--play {
    display: none;
}

.playing>.ap--pause {
    display: inline;
}

.ap-volume-container {
    z-index: 9999;
}

.ap-volume {
    position: absolute;
    right: 0;
    bottom: 50px;
    overflow: hidden;
    width: 100%;
    height: 0;
    visibility: hidden;
    -webkit-transition: height .2s cubic-bezier(0.17, 0.72, 0.26, 1.23);
    transition: height .2s cubic-bezier(0.17, 0.72, 0.26, 1.23);
    background: #ddd;
    border: 1px solid #ccc;
    border-bottom: 0;
    z-index: 9999;
}

.ap-volume-btn {
    display: block;
    text-align: center;
    width: 100%;
}

.ap-volume-btn>.ap--volume-off,
.muted>.ap--volume-on {
    display: none;
}

.muted>.ap--volume-off {
    display: inline;
}

.ap-volume-container:hover {
    background: #ddd;
}

.ap-volume-container:hover .ap-volume {
    height: 120px;
    visibility: visible;
}

.ap-volume-progress {
    display: block;
    width: 4px;
    height: 100px;
    margin: 10px auto;
    background: rgba(0, 0, 0, .2);
    position: relative;
    border-radius: 3px;
}

.ap-volume-bar {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f50;
    height: 50%;
    border-radius: 3px;
}

.ap-active {
    background: rgba(0, 0, 0, .15);
    opacity: 1;
}

@-webkit-keyframes blink {
    from {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes blink {
    from {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.playing>.ap--pause {
    -webkit-animation: blink 1.5s linear infinite;
    animation: blink 1.5s linear infinite;
}


/* --------------------------- */

@media(max-width:880px) {
    .ap-item>.ap-controls {
        -webkit-box-flex: 1;
        -webkit-flex: 1;
        -ms-flex: 1;
        flex: 1;
    }
}

@media(max-width:550px) {
    .ap {
        min-width: 250px;
    }
    .ap,
    .ap-panel {
        height: auto;
    }
    .ap-panel {
        -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    }
    .ap--track {
        margin-bottom: 10px;
        padding: 0 20px;
        -webkit-box-ordinal-group: 2;
        -webkit-order: 1;
        -ms-flex-order: 1;
        order: 1;
        -webkit-box-flex: 1;
        -webkit-flex: 1 1 100%;
        -ms-flex: 1 1 100%;
        flex: 1 1 100%;
    }
    .ap--playback,
    .ap--settings {
        -webkit-box-flex: 1;
        -webkit-flex: 1 1 50%;
        -ms-flex: 1 1 50%;
        flex: 1 1 50%;
        -webkit-box-ordinal-group: 3;
        -webkit-order: 2;
        -ms-flex-order: 2;
        order: 2;
    }
}


/*--------------------
  PlayList
--------------------*/

.pl-container {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 50px;
    left: 0;
    margin: auto;
    overflow: auto;
    font-family: Arial, sans-serif;
    font-size: 14px;
    background: #000000;
    z-index: 999;
}

.pl-lead {
    font-size: 24px;
    font-weight: 400;
    text-align: center;
    color: rgb(255, 255, 255);
}

.pl-list {
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
    padding: 30px 10px;
}

.pl-list>li {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    border-bottom: 1px solid #ddd;
}

.pl-number,
.pl-title,
.pl-remove {
    margin: 0 5px;
    padding: 10px 0;
}

.pl-number {
    -webkit-box-flex: 0;
    -webkit-flex: 0 10%;
    -ms-flex: 0 10%;
    flex: 0 10%;
    text-align: center;
}

.pl-playing {
    display: none;
}

.pl-current .pl-count {
    display: none;
}

.pl-current .pl-playing {
    display: block;
}

.pl-current .pl-title {
    font-weight: 700;
}

.pl-title {
    overflow: hidden;
    cursor: pointer;
    text-align: left;
    white-space: nowrap;
    text-overflow: ellipsis;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
}

.pl-title:hover {
    text-decoration: underline;
}

.pl-remove {
    opacity: 0;
    margin-right: 0;
    cursor: pointer;
    text-align: center;
    -webkit-box-flex: 0;
    -webkit-flex: 0 50px;
    -ms-flex: 0 50px;
    flex: 0 50px;
}

.pl-list>li:hover .pl-remove {
    opacity: 1;
}

.pl-list svg {
    fill: rgba(248, 248, 248, 0.7);
}

.pl-empty {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 2rem;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    letter-spacing: 2px;
    color: #ccc;
}

@-webkit-keyframes eq {
    0% {
        height: 3px;
    }
    50% {
        height: 20px;
    }
    100% {
        height: 3px;
    }
}

@keyframes eq {
    0% {
        height: 3px;
    }
    50% {
        height: 20px;
    }
    100% {
        height: 3px;
    }
}

.eq {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    width: 20px;
    height: 20px;
    margin: 0 auto;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: end;
    -webkit-align-items: flex-end;
    -ms-flex-align: end;
    align-items: flex-end;
}

.eq-bar {
    width: 4px;
    background: rgba(255, 255, 255, 0.7);
}

.eq-bar:nth-child(1) {
    -webkit-animation: eq .8s ease-in-out infinite 0s;
    animation: eq .8s ease-in-out infinite 0s;
}

.eq-bar:nth-child(2) {
    -webkit-animation: eq .8s ease-in-out infinite .2s;
    animation: eq .8s ease-in-out infinite .2s;
}

.eq-bar:nth-child(3) {
    -webkit-animation: eq .8s ease-in-out infinite .4s;
    animation: eq .8s ease-in-out infinite .4s;
}