.side-bar{
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(15px);
  width: 290px;
  height: 100vh;
  position: fixed;
  top: 0;
  left: -100%;
  overflow-y: auto;
  transition: 0.6s ease;
  transition-property: left;
}

.side-bar.active{
  left: 0;
}

.side-bar .menu{
  width: 100%;
  margin-top: 80px;
}

.side-bar .menu .item{
  position: relative;
  cursor: pointer;
}

.side-bar .menu .item a{
  color: #fff;
  font-size: 16px;
  text-decoration: none;
  display: block;
  padding: 5px 30px;
  line-height: 60px;
}

.side-bar .menu .item a:hover{
  background: #8621F8;
  transition: 0.3s ease;
}

.side-bar .menu .item i{
  margin-right: 15px;
}

.side-bar .menu .item a .dropdown{
  position: absolute;
  right: 0;
  margin: 20px;
  transition: 0.3s ease;
}

.side-bar .menu .item .sub-menu{
  background: rgba(255, 255, 255, 0.1);
  display: none;
}

.side-bar .menu .item .sub-menu a{
  padding-left: 80px;
}

.rotate{
  transform: rotate(90deg);
}

.close-btn{
  position: absolute;
  color: #fff;
  font-size: 25px;
  right: 0;
  margin: 25px;
  cursor: pointer;
}

.menu-btn{
  position: absolute;
  color: #fff;
  font-size: 20px;
  margin: 25px;
  cursor: pointer;
}

.main{
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 50px;
}

.main h1{
  color: rgba(255, 255, 255, 0.8);
  font-size: 60px;
  text-align: center;
  line-height: 80px;
}

@media (max-width: 900px){
  .main h1{
    font-size: 40px;
    line-height: 60px;
  }
}