html,
body {
    width: 100%;
    height: 100%;
}

body {
    margin: 0;
}

* {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#cvs {
    width: 100%;
    height: 100%;
}

.tool-bar {
    position: fixed;
    right: 0;
    bottom: 4vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.label,
.number {
    color: #fff;
}

.range {
    width: 20vw;
    cursor: -webkit-grab;
    cursor: grab;
}

.range:active {
    cursor: -webkit-grabbing;
    cursor: grabbing;
}