#components-layout-demo-fixed-sider {
  height: 100%;
}
#components-layout-demo-fixed-sider div.logo {
  text-align: center;
  line-height: 31px;
  color: #fff;
  background: #001529;
}
#components-layout-demo-fixed-sider .ant-layout-content {
  margin-top: 16px !important;
  background: #fff;
  padding: 10px ;
  box-sizing: border-box;
}