a{
    background-color: #cac6c6;
    border: solid;
    padding: 20px 30px;
    text-decoration: none;
}
header>div{
    margin:50px 5px;
}
h3,h4{
    border: solid;
    margin: 30px 20px;
    padding: 20px;
}
select{
    height: 50px;
  margin: 10px;
}
h3{
    background-color: aliceblue;
}
h4{
    background-color: #9de9ec;
}
input[type=submit] {
   width: 200px;
  height: 100px;
  font-size: 2em;
  background-color: #f0c5c5;
  margin: 0 0 0 100px;
}