width: auto|サイズ ; height: auto|サイズ ;
div{ border:black thin solid; width:auto; height:auto; }
div{ border:black thin solid; width:328px; height:256px; }
div{ border:black thin solid; width:50%; height:100%; }
div{
border:black thin solid;
width:10em;
height:64px;
overflow:none;
}
div{
border:black thin solid;
width:10em;
height:64px;
overflow:scroll;
}