.ablock { 
background-color:blue;
color:#fff; padding:5px;
font-weight:bold;
text-align:center;
width:80px;
margin-right:2px; 
}

.ablocksel { 
background-color:green;
color:#fff; padding:5px;
font-weight:bold;
text-align:center;
width:80px;
margin-right:2px; 
}