.gutter{z-index:10;background-color:#e0e0e0;background-position:50%;background-repeat:no-repeat;transition:background-color .2s}.gutter:hover{background-color:#bdbdbd}.gutter.gutter-horizontal{cursor:col-resize;background-image:url("data:image/svg+xml;utf8,  <svg xmlns='http://www.w3.org/2000/svg' width='8' height='16'>  <rect x='3' y='2' width='2' height='12' rx='1' fill='gray'/>  </svg>")}.gutter.gutter-vertical{cursor:row-resize;background-image:url("data:image/svg+xml;utf8,  <svg xmlns='http://www.w3.org/2000/svg' width='16' height='8'>  <rect x='2' y='3' width='12' height='2' rx='1' fill='gray'/>  </svg>")}