main.beacons div.templates {
    padding: 10px;

    fieldset {
        display: grid;
        grid-template-columns: 400px 200px;
        grid-row-gap: 10px;

        input, label {
            margin: 10px;
        }
    }

    .mode-host, .mode-custom {
        display: none;
    }

    select[name="source_mode"]:has(> option[value="custom"]:checked) ~ .mode-custom {
        display: block;
    }

    h4 {
        margin-bottom: 5px;
        border-bottom: 1px solid #2e2e59;
    }
}