*,html{  margin: 0;  padding: 0;}
body{  font-family: Helvetica, Arial, sans-serif;  font-size: 1em;}
h1{  padding: 15px;}
span{  margin: auto 40px;  color: gray;}
span a{  color: black;  text-decoration: none;}
span a:hover{  text-decoration: underline;}
main{  margin: 40px;}
h2{  margin-bottom: 10px;  border-bottom: 1px solid gray;  font-size: 2em;  font-weight: lighter;}