.halfsize {
    -moz-transform:scale(0.9);
    -webkit-transform:scale(0.9);
    transform:scale(0.9);
}



.section{
    margin-top: 60px;
}
.card{
    padding: 10px;
    margin-top: 10px;
}
a {
    text-decoration: none;
    color: #1565c0;
}

a:hover {
    color: #217ee7;
}

#content {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%) ;
    text-align: center;
    max-width: 520px;
    padding: 32px;
    line-height: 1.6em;
}

.avatar {
    border-radius: 50%;
    width: 150px;
}

.icons {
    list-style-type: none;
    font-size: xx-large;
    padding: 0;
    display: flex;
    justify-content: space-between;
    width: 80%;
    max-width: 320px;
    margin: 1em auto;
}

.icons li {
    display: inline;
    width: 42px;
}

.icons a {
    color: black;
}

.icons a:hover {
    color: #1565c0;
}

.hovertext {
  position: relative;
  border-bottom: 1px dotted black;
}

.hovertext:before {
  content: attr(data-hover);
  visibility: hidden;
  opacity: 0;
  width: 500px;
  background-color: #ffffff;
  color: #b30000;
  text-align: center;
  border-radius: 5px;
  padding: 5px 0;
  transition: opacity 1s ease-in-out;

  position: absolute;
  z-index: 1;
  left: 0;
  top: 110%;
}

.hovertext:hover:before {
  opacity: 1;
  visibility: visible;
}