鉴于以下HTML和CSS,我在浏览器中看不到任何内容(Chrome和IE在撰写本文时最新).一切都崩溃到0x0像素.为什么？
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
section { display: table; height: 100%; background-color: grey; }
#colLeft { display: table-column; height: 100%; background-color: green; }
#colRight { display: table-column; height: 100%; background-color: red; }
#row1 { display: table-row; height: 100%; }
#row2 { display: table-row; height: 100%; }
#row3 { display: table-row; height: 100%; }
#cell1 { display: table-cell; height: 100%; }
#cell2 { display: table-cell; height: 100%; }
#cell3 { display: table-cell; height: 100%; }
</style>
</head>
<body>
<section> …