.containerdiv
{
    
    width:100%;
}

.containerdiv div
{

float:left;
width:100px; 
margin-right:50px; 
margin-left:20px;
/*background-color: #C0C0C0;*/ 
height: 100px;
border-right-style:solid;
border-width:1px;
border-right-style:solid;
padding-right:50px;
padding-bottom:0px;

text-align:center;

}