body {
  margin: 0;
  padding: 0;
}

h2, p {
  margin: 10px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: rgb(17, 144, 230);
}

ul li {
  float: left;
}

ul li a {
  display: block;
  color: rgb(248, 248, 248);
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

ul li a:hover {
  background-color: darkgrey;
}
* {
  box-sizing: border-box;
}

.column {
  float: left;
  width: 50%;
  padding: 10px;
  height: 300px;
}


.row:after {
  content: "";
  display: table;
  clear: both;
}
img {
  display: block;
  margin: auto;
}
footer {
    display: block;
    margin: auto;
}
p {
  text-indent: 50px;
}
p.big {
  line-height: 1.8;
}
footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color:#0000ff80;
   color: rgb(255, 254, 254);
   text-align: center;
}