TmMolStar/src/mol-app/skin/components/misc.scss

.molstar-description {
    padding: $control-spacing;
    font-size: 85%;
    background: $default-background;
    text-align: center;
    //font-style: italic;

    -webkit-user-select: none; /* Chrome/Safari */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* IE10+ */

    /* Rules below not implemented in browsers yet */
    -o-user-select: none;
    user-select: none;

    font-weight: light;

    cursor: default;
}

.molstar-description:not(:first-child) {
    border-top: 1px solid $control-background;
}

.molstar-color-picker input {
    color: black !important;
}

.molstar-no-webgl {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: table;
    text-align: center;

    > div {
        b {
            font-size: 120%;
        }
        display: table-cell;
        vertical-align: middle;
        text-align: center;
        width: 100%;
        height: 100%;
    }
}

.molstar-loader-molstar-btn-file {
    position: relative;
    overflow: hidden;
}

.molstar-loader-molstar-btn-file input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    background: white;
    cursor: inherit;
    display: block;
}