.markdown-source-editor {
    display: block;
    width: 100%;
    min-height: 330px;
    padding: 14px;
    color: #233249;
    border: 0;
    outline: 0;
    resize: vertical;
    background: #fff;
    font: 10px/1.55 Consolas, "Courier New", monospace;
    tab-size: 4;
}

.markdown-source-editor:focus {
    box-shadow: inset 3px 0 0 #e8177f;
}

.markdown-roundtrip-note {
    display: grid;
    gap: 7px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e0e5ec;
}

.markdown-roundtrip-note > strong {
    color: #253750;
    font-size: 10px;
}

.markdown-roundtrip-note > div {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 9px;
}

.markdown-roundtrip-note code {
    color: #c21370;
    font-size: 8px;
    font-weight: 600;
}

.markdown-roundtrip-note span {
    color: #748197;
    font-size: 9px;
    line-height: 1.4;
}

.source-markdown-icon {
    display: inline-grid;
    place-items: center;
    width: 27px;
    height: 27px;
    color: #fff;
    border-radius: 4px;
    background: #263850;
    font-family: inherit;
    font-size: 8px;
    font-weight: 700;
}

@media (max-width: 720px) {
    .markdown-source-editor { min-height: 260px; }
}