body {
  font-family: proxima-nova,"Helvetica Neue",Helvetica,Arial,sans-serif;
  font-weight: light;
  margin: 0;
  background: #558e5d;
}

.content {
  padding-top: 5em;
  padding-bottom: 5em;
  background: #fff;
}

.content-row {
  margin-left: auto;
  margin-right: auto;
}

.icon-col {
  width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.icon-col img {
  width: 250px;
}

.text-col {
  width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.text-col h2 {
  margin-top: 0;
}

.blackboard {
  background-color: #558e5d ;
  display: block;
  min-height: 75px;
  color: #fff;
  font-size: 250%
}

@media screen and (min-width: 620px) {
  .content-row {
    width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .icon-col {
    width: 300px;
    float: left;
  }

  .text-col {
    width: 300px;
    float: left;
  }
  
  .cube {
    background: #558e5d url(../img/cube3.png) no-repeat center;
    height: 273px;
  }
}