html,
body {
  height: 100%;
}

body {
  background-color: #0d1117;
  color: white;
  font-family: "Source Sans Pro";
  font-weight: 200;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

main {
  text-align: center;
  opacity: 0;
  transition:opacity 1000ms;
}

header {
  font-size: 32px;
  margin-bottom: 16px;
}

h1 {
  font-size: 1em;
  font-weight: 200;
  margin: 0;
  line-height: 0.9;
  /* margin-bottom: 6px; */
}

.surname {
  font-weight: 500;
}

.role {
  font-size: 0.65em;
}

.contact {
  font-size: 16px;
}

.contact a {
  margin: 8px;
  opacity: 0.8;
  transition: opacity 0.2s;
  -webkit-transition: opacity 0.2s;
  -moz-transition: opacity 0.2s;
  -ms-transition: opacity 0.2s;
  -o-transition: opacity 0.2s;
  text-decoration: none;
}

.contact svg {
  fill: white;
  width: 1.25em;
  height: 1.25em;
}

.contact a:hover,
.contact a:focus {
  opacity: 1;
}

@media screen and (min-width: 450px) {
  header {
    font-size: 42px;
  }

  .contact {
    font-size: 20px;
  }
}