styles.css

body {
    margin:40px auto;
    max-width:650px;
    line-height:1.6;
    font-size:18px;
    font-family: 'Open Sans', sans-serif;
    color:#454545;
    padding:0 10px;
    background-color: #fefefe;
}

h1,h2,h3 {
    font-family: 'Open Sans', sans-serif;
    line-height:1.2;
}

a {
    color: #0077aa;
}
tr:nth-child(even){background-color: #f2f2f2;}

table {
  margin-bottom: 2em;
  border-bottom: 1px solid #ddd;
  border-right: 1px solid #ddd;
  border-spacing: 0;
  border-collapse: collapse;
}

table th {
  padding: .2em 1em;
  background-color: #ccc;
  border-top: 1px solid #ddd;
  border-left: 1px solid #ddd;
}

table td {
  padding: .2em 1em;
  border-top: 1px solid #ddd;
  border-left: 1px solid #ddd;
  vertical-align: top;
}