#box
{
   width: 900px;
   height: 500px;
   background-color:green;
   margin: 0px 0px 10px 20px;
   border: 5px solid #ccc;
   position: relative;
   overflow: hidden;
}

.ob
{
   position: absolute;
   border: 0px;
}

.textwhite24 {
    margin: 0px 0px 0px 0px;
    font-size: 16px;
    font-weight:bold;
    text-align:center;
    padding: 0px 0px 0px 0px;
    color:white; 
      
   }