body {
    /*background: maroon;*/
    height: auto;
    width: auto;
}

.content-outer-wrapper {
    position: absolute;
    top: 2px;
    right: 2px;
    bottom: 2px;
    left: 2px;
    overflow: hidden;
}

.content-inner-wrapper {
    height: 100%;
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100%;
    position: relative;
}

.header {
    background: orange;
    flex: 0 0 auto;
    height: 3rem;
}

.content {
    background: ghostwhite;
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1;
    min-height: 0;
    max-height: 100%;
}

.footer {
    background: violet;
    display: flex;
    justify-content: space-between;
    height: 3rem;
}

.dummy-content {
    /*   height: 1000px; */
    padding: 1ch 2ch;
    color: blue;
    
}

.hidden-selectable {
    /* credit: https://stackoverflow.com/a/38589918 */
    display: inline-block;
    width: 1px;
    overflow: hidden;
    opacity: 0;
}