iframe{
    width:100%;
    min-height:80vh;
}

body {
    font-family: sans-serif;
}

svg {
    width: 50%;
    overflow: visible;
    border: 1px solid #ccc;
    padding: 20%;
}

.grd {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2em;
    height: 95vh;
}


.col {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
    justify-content: flex-start;
}

.col * {
    margin-top: 0;
    margin-bottom: 1rem;
}

textarea {
    width: 100%;
    display: block;
    min-height: 10em;
    height: 50%;
    flex: 1 1 auto;
}


select,
input[type="text"],
input[type="range"] {
    width: 100%;
    display: block
}

#valLength {
    display: block;

}

.previewPath {
    fill: none;
    stroke-width: 1%;
    stroke: #000;
}