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

body {
    padding-top: 80px;
}

header {
    position: absolute;
    text-align: center;
    background-color: #2f2f2f;
    width: 100%;
    margin: 0;
    padding: 0;
    top: 0;
    left: 0;
}

header h1 {
    color: white;
    font-size: 3.2rem;
    margin: 6px;
}

.container {
    max-width: 555550%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    margin-top: -40px;
}

.song {
    width: 180px;
    margin-top: 40px
}

.song .song-button {
    width: 150px;
    height: 150px;
    margin: auto;
    border-radius: 100%;
    background-color: red;
    position: relative;
    border: inset black 4px;
}

.song .song-name {
    display: block;
    text-align: center;
    color: black;
    /* white-space: nowrap; */
    font-weight: 700;
    margin-top: 10px;
    font-size: 2rem;
    text-transform: capitalize;
}

.song .song-button .song-indicator {
    position: absolute;
    height: 100%;
    background-color: black;
    left: calc(50% - 3px);
    width: 6px;
    animation: rotating 2s linear infinite;
}

@-webkit-keyframes rotating {
    from {
        -webkit-transform: rotate(0deg);
    }
    to {
        -webkit-transform: rotate(360deg);
    }
}

.action-button {
    position: fixed;
    padding-left: 10px;
    padding-right: 10px;
}

.stop-button {
    position: fixed;
    top: 5px;
    left: 5px;
    border-color: #e74c3c;
    background-color: #e74c3c;
    z-index: 999;
}

.init-button {
    top: 5px;
    right: 5px;
    border-color: #3498db;
    background-color: #3498db;
}

.sticky {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
  }