.row {
    height: 100vh;
}

div[class^="col"] {
    margin-top: auto;
    margin-bottom: auto;
}

video {
    aspect-ratio: 1.777;
}

.svg-container {
 width: 100%;
 height: 150px;
 resize: both;
 overflow: auto;
 border: 1px dashed #aaa;
 margin: 20px 0;
}

svg {
 width: 95%;
 height: 95%;
}