.title {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 80px;
}

#canvas {
    width: calc(100vh - 110px);
    height: calc(100vh - 110px);
    border: 2px solid black;
}
#mouseCanvas {
    position: absolute;
    left: 12px;
    width: calc(100vh - 110px);
    height: calc(100vh - 110px);
}

#coordBox > * { margin: 0 }
#coordBox {
    padding: 2px 8px;
    position: absolute;
    top: 0;
    left: 0;
    display: hidden;
    border: 1px solid black;
    background: #0008;
    color: #EEE;
    font-size: 0.75em;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    border-radius: 8px;
    transform: translateX(-50%);
}

.ui {
    font-family: Consolas, sans-serif;
    position: absolute;
    top: 110px;
    padding: 20px;
    right: 20px;
    border: 2px solid black;
}
.ui > * {
    margin: 10px;
}

.desc {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}