.edit-box {
    width: 100%;
    height: 400px;
    resize: none;
    overflow-y: auto;
    overflow-x: hidden;
    white-space: pre-wrap;
    word-wrap: break-word;
    box-sizing: border-box;
    font-family: monospace;
    font-size: 14px;
}

.preview-box {
    width: 100%;
    max-height: 400px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 10px;
    border: none;
    border-radius: 4px;
    background: #222;
    color: var(--color-light);
    font-size: 14px;
    box-sizing: border-box;
}