*{
  margin: 0px;
  padding: 0px;
}
 img{
   height: auto;
   width:auto;
 }

 nav ul li a{
   font-family: 'Oswald', sans-serif;
   font-size: 20px;
   color:black;
 }

 .brand-logo img{
   height: 50px;
   width: 50px;
   vertical-align:middle;
   padding-top:3px;
   padding-left: 3px;
   padding-right: 3px;
 }
p{
  padding-left:5px;
  padding-right:5px;
  font-size: 30px;
  font-family:'Jua', sans-serif;
}
.heading{
  margin: 20px;
  font-size: 40px;
  font-family: 'Permanent Marker', cursive;
}
li.collapsible-header
{
padding-left: 5px;
padding-right: 5px;

}

.size{
  font-size:20px;
  font-family: 'Jua', sans-serif;
}
.navbar{
  font-size:20px;
}
.subtopic{
  font-size: 20px;
  font-family: 'Orbitron', sans-serif;
}
footer p {
  margin-top: 10px;
  text-align: center;
}
footer a {
  padding-right: 20px;
}
footer a img {
  width: 30px;
  height: 30px;
}