edlp_d8/libraries/wavesurfer/example/css/style.css

/* Space out content a bit */
body {
    padding-top: 20px;
    padding-bottom: 20px;
}

/* Everything but the jumbotron gets side spacing for mobile first views */
.header,
.marketing,
.footer {
    padding-left: 15px;
    padding-right: 15px;
}

/* Custom page header */
.header {
    border-bottom: 1px solid #e5e5e5;
}

/* Make the masthead heading the same height as the navigation */
.header h3 {
    margin-top: 0;
    margin-bottom: 0;
    line-height: 40px;
    padding-bottom: 19px;
}

/* Custom page footer */
.footer {
    padding-top: 19px;
    color: #777;
    border-top: 1px solid #e5e5e5;
}

/* Customize container */
@media (min-width: 1024px) {
    .container {
        max-width: 900px;
    }
}

.container-narrow > hr {
    margin: 30px 0;
}

/* Supporting marketing content */
.marketing {
    margin: 40px 0;
}

.marketing p + h4 {
    margin-top: 28px;
}

/* Responsive: Portrait tablets and up */
@media screen and (min-width: 768px) {
    /* Remove the padding we set earlier */
    .header,
    .marketing,
    .footer {
        padding-left: 0;
        padding-right: 0;
    }
    /* Space out the masthead */
    .header {
        margin-bottom: 30px;
    }
}

.controls {
    padding: 30px 0 15px;
    text-align: center;
}

.controls .btn {
    margin-bottom: 15px;
}

@media screen and (min-width: 990px) {
    .controls .mark-controls {
        display: inline;
    }
}

.lead {
    text-align: center;
    padding: 20px;
}

#waveform {
    position: relative;
}

#progress-bar {
    position: absolute;
    z-index: 10;
    top: 50%;
    margin-top: -10px;
    left: 5%;
    width: 90%;
}

#drop {
    border: 3px dashed #ddd;
    padding: 30px;
}

#drop.wavesurfer-dragover {
    border-color: #333;
}