body {
    background: #1e1e1e;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}



.canvas {
    position: absolute;
    top:15px;
    left:10px;
}

.iphone_player {
    position: absolute;
    top:0px;
    left:170px;
}

.iphone_player_controls {
    position: absolute;
    top:15px;
    left:200px;
}



.form-input {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.form-input label {
    width: 30%;
}

.form-input input[type="range"] {
    width: 50%;
}

.form-input span {
    width: 20%;
    text-align: right;
}