div.scroll { margin:4px, 4px; padding:4px; background-color: white;  width: 900px;  height: 110px;  overflow-x: hidden;  overflow-y: auto;  text-align:justify; }
navstk {float: right;  background-color: #333;  padding: 14px 16px;  text-align: center;  width: 100%;  position: sticky;  top: 0px;}
navstk a { float: center;  color: #f2f2f2;  text-align: center;  padding: 14px 16px;  text-decoration: none;  font-size: 17px;}
navstk a:hover {  background-color: #ddd; color: black; }
navstk a:focus {  background-color: #04AA6D;  color: white;	}
html {scroll-behavior: smooth; }
hr { margin-top:40px;   margin-bottom:40px; }