.header{
  padding:0 0 0 20px;
  height: 32px;
  width:650px;
  background: gray;
  color: white;
  line-height:32px;
  box-sizing: border-box;
}

.mainbox{
  width: 650px; 
  border: solid 1px gray;
  box-sizing: border-box;
}

.footer{
  padding:0 20px 0 0; 
  height: 32px; 
  width:650px; 
  background: gray; 
  color: white; 
  line-height:32px; 
  text-align:right;
  box-sizing: border-box;
}