* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
}

/* Style the headers */
header {
  background-image: url("https://media1.tenor.com/m/tkkoPxh0brAAAAAC/typing-anime.gif");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: bottom right;
  width: 100%;
  height: 199px;
}

#catHeaderText {
  background-color: rgba(255,255,255, 0.65);
  width: 100%;
  height: 199px;
  text-align: center;
  vertical-align: sub;
  font-size: 35px;
  margin-top: 0px;
  padding-top: 50px;
}

/* Create two columns/boxes that floats next to each other */
nav {
  padding-top: 50px;
  margin-top: -50px;
  float: left;
  width: 20%;
  height: 500px;
  background: #a78948;
  -webkit-mask: linear-gradient(#0000, #000 50px);
  mask: linear-gradient(#0000, #000 50px);
}

#navHeader {
  display: block;
  padding-top: 20px;
  padding-bottom: 20px;
  text-align: center;
  font-weight: bold;
  font-size: 24px;
  unicode-bidi: isolate;
}

/* Style the list inside the menu */
ul {	
  padding-inline-start: 0px;
  background: #a78948;
  margin-bottom: 50px;
}

li a {
  display: block;
  padding-top: 10px;
  padding-bottom: 10px;
  text-align: center;
  unicode-bidi: isolate;
  color: #703603;
  text-decoration: none;
}

li a:hover {
  color: #b00404;
  background: #f2bf24;
  text-decoration: underline;
}

/*Style the article*/
article {
  margin-top: -50px;
  float: left;
  padding: 80px 20px 20px 20px;
  width: 80%;
  background-color: #d7caa3;
  height: 500px;
  -webkit-mask: linear-gradient(#0000, #000 50px);
  mask: linear-gradient(#0000, #000 50px);
}

h1 {
  font-size: 20px;
}
/* Clear floats after the columns */
section:after {
  content: "";
  display: table;
  clear: both;
}

/* Style the footer */
footer {
  background-color: #703603;
  padding: 10px;
  text-align: center;
  color: #f2f2f2;
}

/*Style links */
a:visited {
  color:#703603;
  text-decoration: none;
}

a{
  color:#703603;
  text-decoration: none;
}

/* Responsive layout - makes the two columns/boxes stack on top of each other instead of next to each other, on small screens */
@media (max-width: 600px) {
  nav, article {
    width: 100%;
    height: auto;
  }
}