src/cobalt/tools/cobalt_in_a_tab/styles.css

.black {
    background-color: black;
}

#screenContainer {
    position: relative;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    visibility: hidden;
}

.visibleScreen {
    visibility: visible;
}

.table {
    display: table;
}

.row {
    display: table-row;
    align-items: center;
}

.listItem {
    display: table-cell;
    padding-right: 5px;
    padding-left: 5px;
}

.inline {
    display: inline;
}

.buttonListItem {
    display: block;
}