/*html {
    scroll-behavior: smooth;
}*/

body {
    margin: 10px;
    font-size: 14px;
    margin-top: 150px; 
    font-family: Times, Arial, Helvetica, sans-serif;
}

h2::before { 
    display: block; 
    content: " "; 
    margin-top: -150px; 
    height: 150px; 
    visibility: hidden; 
    pointer-events: none;
}


/*.header {
background-color: #f1f1f1;
padding: 1px;
text-align: center;
}*/

div.a {
  font-size: 20px;
}
/*
#navbar {
overflow: hidden;
background-color: #333;
}
*/
#navbar {
    overflow: hidden;
    background-color: #333;
    position: fixed;
    top: 0;
    width: 100%;
  }
#navbar a {
float: left;
display: block;
color: #f2f2f2;
text-align: center;
padding: 14px 16px; /* 14 16*/
text-decoration: none;
font-size: 17px;
}

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

#navbar a.active {
background-color: #4CAF50;
color: white;
}

.content {
padding: 16px; /*16*/
}
/*
.sticky {
position: fixed;
top: 0;
width: 100%;
}

.sticky + .content {
padding-top: 60px;*/ /*60*/

}