div.column{-webkit-box-flex:1;-ms-flex-positive:1;flex-grow:1;min-width:280px;width:calc((100% - 360px)/3);}
body{font-family: "Noto Sans SC", "Source Han Sans SC", "Hiragino Sans GB", "Microsoft YaHei","WenQuanYi Micro Hei", sans-serif;}