nav{
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  text-align: center;
  font-family: 'Raleway', sans-serif;
  background-color: rgba(40,40,40,1);
  border-top: 3px solid #ff3333;
}

nav ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: 3em;
}

nav li{
  float: left;
  border-left: 0;
}

nav>ul>li>a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

nav>ul>li:hover {
  background-color: rgba(0,0,0,0.3);
}

nav>ul>.social{
  float: right;
}

nav>ul>.social img{
  height: 3em;
  margin: 0 3px 0 3px;

  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
}

nav>ul>.social img:hover{
  -webkit-filter: grayscale(0);
  filter: grayscale(0);
}


@media only screen and (max-width: 430px) {
  nav>ul>li>a{
    font-size: 0.75em;
  }
}

@media only screen and (max-width: 350px){
  nav>ul>li>a{
    font-size: 0.5em;
  }
}