*{
margin: 0;
padding: 0;
}

body{font-family:"Arial";
font-size: 18px;
}

p{padding: 20px;}







<!-- NAV -->


.navheader {
  background-color: darkblue;
  padding: 30px;
  text-align: center;

}

#navbar {
overflow: hidden;
background-color: #17577e;
box-shadow: 0px 4px #fff;
z-index: 10;
    
}

#navbar a {
  
    display: inline-block;
  color: white;
  text-align: center;
  padding: 2% 2%;
  text-decoration: none;
  font-size: 17px;
    

}

#navbar a:hover {
  background-color: #ddd;
    
  color: black;
}

#navbar a.active {
  
  color: white;
}



.sticky {
  position: fixed;
  top: 0;
  width: 100%
}

.sticky + .content {
  padding-top: 60px;
    
}
<!-- END -->

hr{
    border: none;
    height: 1px;
    width: 15%;
    background-color: white
}



.background{
background-color: gainsboro;

}




.clear{clear: both;}

footer{
background-color: #17577e;
color: white;
border-top: 4px solid white;
 }


.footer-copyright{
    background-color: #154E71;
    color:white;
    
}

a{
    color:white;
}


.dropdownhr{
    margin-top: 5px; margin-bottom: 5px;
    
}

.dropdown-menu{
    border-bottom: 4px solid white;
}