style4.css

#Sidenav a {
    position: absolute; 
    left: -83px; 
    transition: 0.3s; 
    padding: 15px; 
    width: 100px; 
    text-decoration: none; 
    font-size: 20px;
    color: white; 
    border-radius: 0 5px 5px 0; 
  }
  
  #Sidenav a:hover {
    left: 0; 
  }
  
  #Home {
    top: 140px;
    background-color: #04AA6D;
  }
  
  #HTML {
    top:200px;
    background-color: #2196F3; 
  }
  
  #CSS {
    top: 260px;
    background-color: #f44336; 
  }
  
  #BS {
    top: 320px;
    background-color: #555 
  }
div{
    float:left;
    margin-left: 200px;
}