.demo[data-v-31184440]{width:700px;height:700px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.demo #echarts_demo[data-v-31184440]{position:absolute;width:100%;height:100%;left:0;top:0;right:0;bottom:0}.demo #container[data-v-31184440]{position:absolute;left:17%;top:17%;width:66%;height:66%}