.m7-silb-box {
    display: block;
    margin: 1.75em 0;
    padding: 16px 18px;
    border: 1px solid rgba(0,0,0,.12);
    border-inline-start: 4px solid currentColor;
    border-radius: 8px;
    background: rgba(127,127,127,.06);
    box-sizing: border-box;
}
.m7-silb-label {
    display: block;
    margin-bottom: 6px;
    font-size: .85em;
    font-weight: 700;
    opacity: .72;
}
.m7-silb-link {
    display: inline;
    font-size: 1.05em;
    font-weight: 700;
    line-height: 1.65;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
@media (max-width: 600px) {
    .m7-silb-box { margin: 1.4em 0; padding: 14px 15px; border-radius: 7px; }
}