Equal height CSS columns
问题 Using Equal Height Columns with Cross-Browser CSS example HTML: <div id="container1"> <div id="col1">Column 1<br/>2</div> <div id="col2">Column 2</div> <div id="col3">Column 3</div> </div> CSS: #container1 { float:left; width:100%; } #col1 { float:left; width:30%; background:red; } #col2 { float:left; width:40%; background:yellow; } #col3 { float:left; width:30%; background:green; } There are more complicated demo pages, but I am looking to use the first example for my purposes. Why isn't the