*{
padding: 0;
margin: 0;
user-select:none;
}
.top_nav{
  height: 50px;
  background: linear-gradient(264deg, rgba(69,137,235,1) 0%, rgba(41,134,203,1) 100%);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.top_nav i{
  color: #fff;
  font-size: 30px;
  position: absolute;
  top: 50%;
  left:10px;
  transform: translateY(-50%);
  padding:5px 20px 5px 5px;
  cursor: pointer;
}
.top_nav p{
  color: #fff;
}
.content_div{
    padding:20px 10px;
}