#buttan{
width:100%;
height:auto;
margin-left:0px;
margin-top:5px;
margin-right:0px;
margin-bottom:5px;
border:0;
padding-left:0px;
padding-top:0px;
padding-right:0px;
padding-bottom:0px;
}
.chj{
vertical-align:middle;
}