MENU NANG CAO CSS

@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
  font-family: 'Poppins', sans-serif;
}
body{
 background: #18191A;
  overflow: hidden;
}
nav{
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
}
nav .drop-btn{
  width: 400px;
  background: #242526;
  border-radius: 5px;
  line-height: 55px;
  font-size: 20px;
  font-weight: 500;
  color: #b0b3b8;
  padding: 0 20px;
}
nav .drop-btn span{
  float: right;
  line-height: 50px;
  font-size: 28px;
  cursor: pointer;
}
nav .tooltip{
  position: absolute;
  right: 20px;
  bottom: -20px;
  height: 15px;
  width: 15px;
  background: #242526;;
  transform: rotate(45deg);
  display: none;
}
nav .tooltip.show{
  display: block;
}
nav .wrapper{
  position: absolute;
  top: 65px;
  display: flex;
  width: 400px;
  overflow: hidden;
  border-radius: 5px;
  background: #242526;
  display: none;
  transition: all 0.3s ease;
}
nav .wrapper.show{
  display: block;
  display: flex;
}
.wrapper ul{
  width: 400px;
  list-style: none;
  padding: 10px;
  transition: all 0.3s ease;
}
.wrapper ul li{
  line-height: 55px;
}
.wrapper ul li a{
  position: relative;
  color: #b0b3b8;
  font-size: 18px;
  font-weight: 500;
  padding: 0 10px;
  display: flex;
  border-radius: 8px;
  align-items: center;
  text-decoration: none;
}
.wrapper ul li:hover a{
  background: #3A3B3C;
}
ul li a .icon{
  height: 40px;
  width: 40px;
  margin-right: 13px;
  background: #ffffff1a;
  display: flex;
  justify-content: center;
  text-align: center;
  border-radius: 50%;
}
ul li a .icon span{
  line-height: 40px;
  font-size: 20px;
  color: #b0b3b8;
}
ul li a i{
  position: absolute;
  right: 10px;
  font-size: 25px;
  pointer-events: none;
}
.wrapper ul.setting-drop,
.wrapper ul.help-drop{
  display: none;
}
.wrapper .arrow{
  padding-left: 10px;
  font-size: 20px;
  font-weight: 500;
  color: #b0b3b8;
  cursor: pointer;
}
.wrapper .arrow span{
  margin-right: 15px;
}