.UNIX {
 border:1px #009900 solid;
 border-radius:10px;
 background-color:white;
 text-align:left;
 width:555;
 height:300;
 }

.A {
 border:1px #cccccc solid;
 border-radius:10px;
 background-color:white;
 text-align:center;
 width:555;
 height:300;
 }