.outer{height:400px;width:200px;border:1px solid #000;border-radius:5px;padding:4px}.index{display:flex;flex-direction:column;height:100%}.item-container{overflow-y:scroll;flex-grow:1}.item-container a{display:block;height:4em;border:1px solid red;border-bottom-width:0}.liquid-child,.liquid-container{width:100%;height:100%}