body{
  font-family: "Ariel", serif;
  background-color: #f4f4f4;
  overflow-x: hidden;
}

.navbar{
  background-color: #3b5998;
  overflow: hidden;
  height: 63px;
}

.navbar a{
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 15px 16px;
  text-decoration: none;
  font-size: 17px;
}

.navbar ul{
  margin: 8px 0 0 0;
  list-style: none;
}

.navbar a:hover{
  background-color: #ddd;
  color: #000;
}

.side-nav{
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #111;
  opacity: 0.9;
  overflow-x: hidden;
  padding-top: 60px;
  transition: 0.5s;
}

.side-nav a{
  padding: 10px 10px 10px 30px;
  text-decoration: none;
  font-size: 22px;
  color: #ccc;
  display: block;
  transition: 0.3s;
}

.side-nav a:hover{
  color: #fff;
}

.side-nav .btn-close{
  position: absolute;
  top: 0;
  right: 22px;
  font-size: 36px;
  margin-left: 50px;
}

#main{
  transition: 0.5s;
  padding: 20px;
  overflow: hidden;
  width: 100%;
}

@media(max-width:568px){
  .navbar-nav{
    display: none;
  }
}

@media(min-width:568px){
  /* .open-slide{display: none;} */
}