body {
  font-family: 'Lato', sans-serif;
}

header{
  border-bottom:1px solid;
}

header div{
  display: inline-block;
  line-height:1.5;
}

.back{
  margin-right:30%;
}

.logo{
  margin: 0 auto;
  width: 217px;
}

p, .demo-choser li{
  font-family: 'Source Sans Pro', sans-serif;
}

.demo-choser{
    text-align: center;
}

.demo-choser li{
    display: inline-block;
    margin: 0;
    background: #eeeff1;
    margin-right: -5px;
}


.demo-choser a{
    text-align: center;
    text-decoration: none;
    color: #000000;
    padding: 8px 30px;
    display:block;
}

.demo-choser a:hover, a.active{
    background: #000000;
    color:#fff;
}