File: themes/dark/theme.css

body {
    margin: 0;
    padding: 0;
    background-color: #333;
}
article {
    display: flex-box;
    justify-content: space-between;
    justify-items: baseline;
    align-content: flex-start;
    text-align: left !important;
}

.container {
    width: 30%;
    display: flex;
    justify-content: space-between;
    justify-items: baseline;
    align-content: flex-start;
    text-align: left !important;
}

.container article div.sf-root {
    width: 50%;
    height: auto;
    margin-left:auto;
    padding: 1px;
}

.container article div.sf-root:hover {
    border: solid 1px #afafaf;
    background-color: #efefef;
    padding: 0;
}