@import url('https://fonts.googleapis.com/css?family=Montserrat:400,500,600,700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat',sans-serif;
}
nav{
  background: #008ac8;
  padding: 0px 130px;
}
nav ul{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
nav ul li{
  padding: 0px 0;
  cursor: pointer;
}
nav ul li.items{
  position: none;
  width: auto;
  margin: 0 15px;
  text-align: center;
  order: 3;
}
nav ul li.items:after{
  position: absolute;
  content: '';
  left: 0;
  bottom: 5px;
  height: 2px;
  width: 100%;
  opacity: 0;
  transition: all 0.2s linear;
}
nav ul li.items:hover:after{
  opacity: 1;
  bottom: 5px;
}
nav ul li.logo{
  flex: 1;
  color: white;
  font-size: 23px;
  font-weight: 600;
  cursor: default;
  user-select: none;
}
nav ul li a{
  color: white;
  font-size: 18px;
  text-decoration: none;
  transition: .4s;
}
nav ul li:hover a{
  color: cyan;
}
nav ul li i{
  font-size: 23px;
}
nav ul li.btn{
  display: none;
}
nav ul li.btn.hide i:before{
  content: '\f00d';
}
@media all and (max-width: 900px){
  nav{
    padding: 5px 30px;
  }
  nav ul li.items{
    width: 100%;
    display: none;
  }
  nav ul li.items.show{
    display: block;
  }
  nav ul li.btn{
    display: block;
  }
  nav ul li.items:hover{
    border-radius: 5px;
    box-shadow: inset 0 0 5px #33ffff,
                inset 0 0 10px #66ffff;
  }
  nav ul li.items:hover:after{
    opacity: 0;
  }
}