* {
  box-sizing: border-box;
}

/* Stop div anchors scrolling too far */
:target:before {
content:"";
display:block;
height:120px; /* fixed header height*/
margin:-120px 0 0; /* negative fixed header height */
}

/* New additional CSS */

/* Style the navigation menu */
.navbar {
  width: 100%;
  background-color: #B2D235;
  overflow: auto;
}

/* Navigation links */
.navbar a {
  float: left;
  padding: 12px;
  color: white; 
  text-decoration: none;
  font-size: 1.4em;
  width: 25%; /* Four equal-width links. If you have two links, use 50%, and 33.33% for three links, etc.. */
  text-align: center; /* If you want the text to be centered */
}

/* Add a background color on mouse-over */
.navbar a:hover {
  background-color: #4ea952;
}

/* Style the current/active link */
.navbar a.active {
  background-color: #04AA6D;
}