* {
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}
html, body, div, svg {
    padding: 0;
    margin: 0;
}

.piano-roll-container {
    position: relative;
    width: 100%;
    height: 620px;
}

.piano-roll-container svg {
    width: 100%;
    height: 100%;
}

.playhead {
    position: absolute;
    height: 100%;
    border-right: 4px solid #494cb6;
}

.playhead__handle {
    position: absolute;
    top: 0;
    left: -10px;
    height: 20px;
    width: 20px;
    cursor: ew-resize;
    background-color: crimson;
}

.track--active {
    border-left: 20px solid paleturquoise;
}

.note {
    cursor: pointer;
}

.note-handle {
    cursor: ew-resize;
}

.note--selected {
    stroke: paleturquoise;
    stroke-width: 2;
}