nav  {
    width: 100%;
    list-style: none;
    margin: 0;
    
}
 
header{
    overflow:hidden;
    background: rgb(34,193,195);
    background: linear-gradient(0deg, rgba(34,193,195,1) 0%, rgba(33,176,66,1) 100%); 
    margin-bottom:10px;
    border-radius: 15px;
  }



nav , #nav-item {
  
    color:#0e59a3; 
    font-size:18px; 
    padding: 25px 35px; 
    display:inline-block; 
    transition: all 0.5s ease 0s;
}

#nav-item {
    display: inline-block;
}



  select option {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }

select option:hover {background-color: #ddd;}


.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  
  .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
  }
  
  .dropdown a:hover {background-color: #2980B9;}
  
  .show {display: block;}