html {
	background-image: url("background.gif");
}
.header {
  padding: 30px;
  text-align: center;
  background-image: url("medivh.gif");
  color: white;
  font-size: 30px;
  height: 450px
}
/* Create four equal columns that floats next to each other */
.column {
  float: left;
  text-align: center;
  width: 25%;
  background-image: url("stone.jpg");
  box-sizing: border-box;
  border: 2px solid black;
}

/* Clear floats */
.row:after {
  content: "";
  display: table;
   clear: both;
}

/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 900px) {
  .column {
    width: 50%;
  }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .column {
    width: 100%;
  }
}
body {
	
	width: 900px;
	margin: auto;
	padding: 10px 10px 10px;
	background: grey;
}
.small-spell {
	font-size: x-small;
}