body {
  background-color: #3F5C7C;
  color: #ffffff;
}
 
h1 {
  color: #ffffff;
  text-align: center;
  font-family: 'Calibri';
  font-size: 40px;
}
 
p {
  font-family: 'Calibri';
  font-size: 18px;
  color: #ffffff;
  
}
p {
  font-family: 'Calibri';
  font-size: 18px;
  color: #ffffff;
  
}
 
ul {
  list-style-type: none;
  margin: 0;
  padding: 6;
  overflow: hidden;
  background-color: #203853; 
  color: #ffffff;
}
 
li {
  float: left;
}
 
li a {
  display: block;
  color: #ffffff;
  text-align: center;
  padding: 20px 46px;
  text-decoration: none;
  font-family: Calibri;
  font-size: 20px;
}
* {
  box-sizing: border-box;
}

.column1 {
  float: left;
  width: 50%;
  height: 550px;
  padding: 10px;
  background-color: #3B5A7D; 
}

.column2 {
  float: left;
  width:50%;
  padding: 10px;
  height: 550px;
  background-color: #3F5C7C; 
}

.row:after {
  content: "";
  display: table;
  clear: both;

}