.maincontent a {
  color:blue;
  text-decoration: none;
  font-weight: bold;
}

.maincontent img {
  padding-bottom: 1em;
}

.centre {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
}

.centretext {
  text-align: center;

}