.level {
    border-top-color: #dbdbdb;
    border-top-style: solid;
    border-top-width: 1px;
    padding-top: .75rem;
    padding-bottom: .5rem;
    margin-bottom: 0 !important;
}

.level.dark-bg {
    background: #0001;
}

.level-item .title small {
    font-size: 60%;
}

math.formula {
    font-family: sans-serif;
    font-size: x-small;
}

.scale {
    border-left: 1px solid black;
    border-right: 1px solid black;
    border-bottom: 1px solid #ccc;
}