/* GLOBAL STYLES */
* {
  font-family: Arial, Helvetica, sans-serif;
}

/* MAIN SECTION */
header {
  font-size: 30px;
  font-weight: 500;
}

p, li {
  color: gray;
  margin: 20px;
}

.main-section code {
  display: block;
  background-color: rgb(231, 227, 227);
  padding: 20px;
  width: 80%;
}

/* ASIDE SECTION */
#navbar {
  background-color: #fff;
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  padding: 10px;
  width: 20%;
  border-right: 5px solid #ccc;
}
#navbar ul{
  list-style: none;
  border-top: 1px solid black;
  padding: 0;
}

#navbar ul li a{
  display: block;
  text-decoration: none;
  color:gray;
  padding: 15px;
}

#navbar ul li {
  border-bottom: 1px solid black;
  margin: 0;
}
#navbar ul li:last-child {
  border-bottom: 0;
}

/* FOOTER SECTION */
#footer-section #fcc {
  text-decoration: none;
  color: gray;
}

#footer-section #fcc:hover {
  color: green;
}

#footer-section p {
  text-align: center;
  color: teal;
}
#footer-section a {
  margin: 0 auto;
  padding: 5px;
  color: black;
}

/* MEDIA QUERIES */
/* RULES: 
 MOBILE: min-width => 320px, max-width => 719px
 IPAD: min-width => 720px, max-width => 1199px
 DESKTOP: min-width => 1200px
*/

/* Mobile version */
@media only screen and (min-width: 320px) {
  #navbar {
    background-color: #fff;
    padding: 0px;
    width: 100%;
    border-right: 5px solid #ccc;
    height: auto;
    position: relative;
    }
  #navbar ul {
    height: 300px;
    overflow: scroll;
    border: 2px solid black;
  }
  #navbar header {
    text-align: center;
  }

  #footer-section {
    text-align: center;
  }

}

/* Desktop and Ipad version */
@media only screen and (min-width: 720px) {
   #navbar {
    left: 0;
    top: 0;
    position: fixed;
    width: 20%;
    height: 100%;
    }

   #navbar ul {
     height: auto;
     border: none;
   }

   .main-section  {
    margin-top: 25px;
    width: 75%;
    margin-left: 25%;
 }

 #footer-section {
  color: black;
  margin-top: 25px;
  width: 75%;
  margin-left: 25%;
}
}