@import url(https://cdn.jsdelivr.net/gh/cntnd/core_style@0.1.0/dist/core_style.css);.content_box,.listitem{border:1px solid silver}.content_type_label{background:silver}

.input_form{padding:12px;background:rgba(200,200,200,.75)}.listitem{padding:0 0 12px 0;background:rgba(200,200,200,.25);border:2px solid rgba(200,200,200,.25);border-radius:.25rem;margin-bottom:12px}.listitem:nth-child(even){background:rgba(200,200,200,.1)}.handle{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M11 18c0 1.1-.9 2-2 2s-2-.9-2-2 .9-2 2-2 2 .9 2 2zm-2-8c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0-6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm6 4c1.1 0 2-.9 2-2s-.9-2-2-2-2 .9-2 2 .9 2 2 2zm0 2c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2zm0 6c-1.1 0-2 .9-2 2s.9 2 2 2 2-.9 2-2-.9-2-2-2z"/></svg>');background-repeat:no-repeat;background-size:cover;display:inline-block;height:24px;width:24px;margin:12px 6px;cursor:move}