.sidebar {
    height: 100vh;
    width: 250px;    
    position: absolute;
    z-index: 1;    
    left: 0;    
    background-color: #ffffff;      
    padding-top: 60px;    
  }
  
  .sidebar a {    
    display: block;    
  }  
  
  /* main {    
    margin-left: 250px;
  } */