html {
  background-color: tan;
      color: white;
}

header{
  height: 10%
}
  
section {
  float: left; /* this means everything will follow to the left if it can fit */
  width: 100%;
   
}
  
div {
  width: 40%;
}

div {
  padding:0% 1% 0% 1%;
  float: left; /* each div will be half the width of the section */
  border-style: inset;
  margin: 0% 2% 0% 2%;
}