#pw_strength {

 width: 104px;
 height: 8px;
 background: #ddd;
 border: solid 1px #c6c6c6;
 margin-top: 2px;

}

#pw_strength DIV {

 width: 20px;
 height: 8px;
 border: solid #fff;
 border-width: 0 1px 0 0;
 float: left;

}

#pw_strength DIV.pw_last {

 border-width: 0;

}