Edit file File name : editor.min.css Content :.blocks-shortcode__textarea{background:#fff!important;border:1px solid #1e1e1e!important;border-radius:2px!important;box-shadow:none!important;box-sizing:border-box;color:#1e1e1e!important;font-family:Menlo,Consolas,monaco,monospace!important;font-size:16px!important;max-height:250px;padding:12px!important;resize:none}@media (min-width:600px){.blocks-shortcode__textarea{font-size:13px!important}}.blocks-shortcode__textarea:focus{border-color:var(--wp-admin-theme-color)!important;box-shadow:0 0 0 1px var(--wp-admin-theme-color)!important;outline:2px solid #0000!important} Save