.md-footer-copyright {
    display: none;
}

p img {
    border: 5px solid #cdc;
}

.button-50pc {
  width: 45%;
  border: 2px solid lightgreen;
  min-height: 180px;
  float: left;
  margin-right: 3%;
  padding: 10px;
  margin-bottom: 1em;
}

.button-50pc p:first-child {
  font-size: 150%;
  font-weight: bold;
  margin-top: 0;
}

aside {
  background-color: #cfc;
  padding: 10px;
  border: 2px solid green;
  font-size: 91%;
}

aside p {
  margin-top: 0.4em;
  margin-bottom: 0;
}