*{
font-family: Helvetica;
}

.navigation ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.navigation ul li {
float: left;
}

.navigation ul li a{
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;

}

.navigation ul li:active a{
font-style: italic;

}

.clearfix::after {
    content: "";
    clear: both;
    display: table;
}


.header{


}