body {
    background-color: var(--bs-gray-100);
    font-size: xx-large;
}

.multi-variable,.multi-stage {
    border: 1px solid var(--bs-blue);
    padding: 0.1em;
    margin: 0.1em;
}

div.multi-stage, div.multi-variable {
    background-color: var(--bs-gray-100);
    border: 1px solid var(--bs-gray-dark);
}

.clickable:hover {
    cursor: pointer;
}

.unselectable {
    -moz-user-select: -moz-none;
    -khtml-user-select: none;
    -webkit-user-select: none;

    /*
        Introduced in IE 10.
        See http://ie.microsoft.com/testdrive/HTML5/msUserSelect/
    */
    -ms-user-select: none;
    user-select: none;
}