.header {
  width: 100%;
  padding: 0 10px;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
a.header_title {
  color: #2ca9e1;
  font-size: 150%;
  text-decoration: none;
  display: inline-block;
}
. {
  font-family: myFirstFont;
}