* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #050709;
  font-family: Arial, Helvetica, sans-serif;
}

a:link, a:visited {
  color: #205d86;
  text-decoration: none;
}

a:hover, a:active {
  background-color: #fff3d1;
  color: #050709;
  text-decoration: underline;
}

header {
  background-color: #638cc2;
  padding: 20px;
  text-align: center;
 color: #fefefe;
font-family: "Permanent Marker", sans-serif;
 font-size: 1.5em;
}

h1 a:link, h1 a:visited, h1 a:hover, h1 a:active {
color: #fefefe;
text-decoration: none;
  background: none;
}

h2 {
  text-align: center;
}

footer {
  text-align: center;
  padding: 10px;
}

.topnav {
  overflow: hidden;
  background-color: #add8e6;
}

.topnav a {
  float: left;
  display: block;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;

}

h3, h4 {
  margin: 0;
  margin-top: 10px;
  margin-bottom: 10px;
  padding: 0;
}

h3 {
background-color: #638cc2;
padding: 10px;
border: 1px solid #2C73A7;
color: #fefefe;
}

h4 {
padding-left: 10px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
padding-left: 10px;
}

li {
  display: inline;
}

li:after {
  content: ", ";
}

li:last-child:after {
  content: "";
}

.alpha {
  display: inline;
}

.alpha:after {
  content: "";
}

.column {
  float: left;
  width: 33.33%;
  padding: 15px;
}

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

@media screen and (max-width:600px) {
  .column {
    width: 100%;
  padding-bottom: 0;
  padding-top: 0;
  }

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
padding-left: 10px;
}

li {
  display: block;
}

li:after {
  content: "";
}

.alpha {
  display: inline;
}
}