4 <div style=
" width: 1px; height: 100px; position:absolute; top:0px; background-color: lightgray">
6 <div style=
"width: 10px; height: 10px; overflow: hidden; position: absolute; left: 0px; top: 0px; ">
7 <div style=
"height: 100px; width:100px; background-color:lightgreen" />
10 <div style=
"left: 0px; height: 9px; width: 9px; position:absolute; top:99px; background-color: blue">