#tx-level-db, #rx-level-db {
    width: 4rem;
    display: inline-block;
}

#tx-level, #rx-level {
    height: 8px;
    width: 6rem;
    background: #e0e0e0;
    display: inline-block;
    margin-right: 0.5rem;
}

#tx-level-bar, #rx-level-bar {
    height: 100%;
    background: #2196F3;
}

.monospace {
    font-family: monospace;
}