main.css

body {
  font-family: "Gill Sans WGL W01 Light";
  font-size: 18px;
  line-height: 1.26em;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern";
  -webkit-font-feature-settings: "kern";
  -moz-font-feature-settings: "kern";
  -moz-font-feature-settings: "kern=1";

  width: 680px;
  margin-left:auto;
  margin-right:auto;
  padding: 0 10px 0 10px;
  color: #333;
}

a {
  color: #444;
}

a:hover {
  text-decoration: none;
}

h1 {
  font-size: 36px;
  line-height: 1em;
  font-weight:normal;
  margin-left:auto;
  margin-right:auto;
  text-align:center;
  margin-top:15px;
  margin-bottom:0;
  padding-bottom: 0;
  padding: 0;
}

h2 {
  font-size: 18px;
  font-weight:normal;
  text-align: center;
  margin-left:auto;
  margin-right:auto;
  margin-top:8px;
  margin-bottom:2px;
  padding: 0;
}

.header a {
  text-decoration:none;
}

h2 a {
  text-decoration:none;
}

p {
  margin:0 0 12px 0;
}

.strapline {
  margin-left:auto;
  margin-right:auto;
  text-align:center;
  padding:0;
  margin:0;
}

.header {
  border-bottom: 1px solid black;
  padding-bottom: 8px;
}

.footer {
  margin-left:auto;
  margin-right:auto;
  text-align:center;
  padding-top: 8px;
  border-top:1px solid black;
  height: 25px;
}

.grid {
  margin-left:auto;
  margin-right:auto;
}

.grid-element {
  height: 360px;
  width: 300px;
  margin: 20px;
}

.grid-element.project {
  margin-left: auto;
  margin-right: auto;
}

a:hover .grid-element.main {
  border: 1px black solid;
  margin: 19px; /* to compensote for push down of border */
}

.grid-element.main {
  float: left;
}

.project-links {
  text-align: center;
}

.gitlet-introduction {
  width: 205px;
  height: 208px;
  font-family: "courier", "courier new";
  font-size: 13px;
  margin-top: 100px;
  margin-left: auto;
  margin-right: auto;
}