body {
  background-color: #ffffff;
  margin: 0px auto;
  padding: 30px;
  max-width: 34em;
  font-family: 'Helvetica', serif;
  line-height: 1.8;
  font-size: 18px;
  color: #808080;
}
p {
  margin: 0 0 1.8em 0;
}
a, a:visited {
  color: #25b;
  text-decoration: none;
}
a:hover {
  background-color: #fff;
  box-shadow: 0 0 8px #fff;
  border-radius: 4px;
}
.em {
  display: block;
  width: 1.4em;
  height: 1.4em;
  margin-bottom: 0.3em;
}

footer p {
  margin-top: 6em;
  padding-top: 1em;
  border-top: 1px solid #999;
  opacity: 0.3;
  font-size: 0.8rem;
}

@media (min-width: 600px) {
  body {
    font-size: 22px;
    padding: 80px 40px 20px 40px;
  }
  .em {
    float: left;
    margin-top: 0.1em;
  }
  .img-circle {
    border-radius: 50%;
    float: left;
    margin-top: -0.5em;

  }
  p {
    margin-left: 3.4em;
  }
  footer {
    margin-left: 0.6em;
  }
}