2 <div style=
"width:40em; height:21em; line-height:2em;">
3 <div style=
"float:left; width:50%; height:100%;">
9 <div style=
"float:left; width:50%; height:100%;">
10 <img style=
"display:block; width:100%; height:14em; background:green;" alt=
"Second column">