Align divs horizontally

Answer 1

Apply a float:left on .custimage

.custimage{
   position:relative;
   margin-top: 15px;
   margin-left: 15px;
   height: 170px;
   width: 130px;
   background-color: #999;
   text-align:left;
   float: left;  // float all cust images to the left so they stack up against each other
}