#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;height:100%}.page_main{padding:20px;background-color:#f6f7fb;height:calc(100% - 40px);display:flex;flex-direction:column;overflow:hidden}.page_main .list_container,.page_main .page_container{margin-top:10px;background-color:#fff;box-shadow:0 1px 4px 0 rgba(0,7,101,.1);border-radius:6px;flex-grow:1;height:0;overflow:auto}::-webkit-scrollbar{width:.5em}::-webkit-scrollbar-track{background-color:#f1f1f1}::-webkit-scrollbar-thumb{background-color:#888}::-webkit-scrollbar-thumb:hover{background-color:#555}