HTML, body {
margin: 0px;
padding: 0px;
  border: 0px;
}

.h1 {
text-align:  center 
} 

.h2 {
text-align:  center 
}   

.h3 {
text-align:  center 
} 

.row 
{
    display: block;
    text-align:center;  
    width: 1100px; 
}

.column {
  float: left;
  width: 33.33%;
}

.columnl {
    width: 282px; 
}   
    
.columnm {
    width: 282px; 
    border-left: border-width="10px";
    border-right: border-width="10px";
}   
    
.columnr {
    width: 282px; 
    text-align: center; 
}   
    
/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}