@import url('https://fonts.googleapis.com/css?family=Roboto');
@import url('https://fonts.googleapis.com/css?family=Archivo Black');
@import url('https://fonts.googleapis.com/css?family=Rubik:300,400,700,900');


*{
	padding: 0;
	margin: 0;
	text-decoration: none;
	font-style: none;
	list-style: none;
	text-transform: none;
}

body{
    Font-family:'Roboto', sans-serif;
    background-color: #ffff;
    color: #58585A
}


img{
    max-width: 100%;
}

.menu{
    padding-top: 0;
    padding-bottom: 1rem;
    font-family: 'Roboto', sans-serif;
    background:#87888A;
    font-size: 1rem;
    text-decoration:none;
    width: 100%;
	position: fixed;
}

nav ul li{
    list-style-type: none;
}

nav ul li a{
    color: #F6F6F6;
    text-decoration: none;
    display: inline-block;
}

.columna1{
    background: #C6C7C8;
    text-align: center;
    padding-top: 7rem;
    padding-bottom: 4rem;
     }
h1{
    font-family: 'Archivo Black', sans-serif;
    text-align: center;
    color: #F6F6F6;
    font-size: 3rem;
    margin: 0.5rem;
    
}

h2{
    text-align: center;
    color: #F6F6F6;
    font-size: 1rem;
    
}

h3{
    font-family: 'Archivo Black', sans-serif;
    font-size: 2rem;
    color: #3C4A55;
    margin: 1rem;
    
}
.articulo {
    display: inline-block;
    vertical-align: top;
    width:17%;
    padding: 0px 0px 0px 0px;
}

article {
    text-align: center;
    padding-bottom: 60px;
}

.articulo ul {
    text-decoration: none;
    list-style-type: none;
    font-size: 14px;
    line-height: 1.4;
    color:#666666; 
}

.materias{
    margin-top: 4rem;
    margin-bottom: 3rem;
}

.menu ul{
    float: left;
    margin-top: 2px;
    padding: 0px;
    text-align: left;  
}

.menu li{
    padding-top: 1em;
    padding-left: 1em;
    display: inline-block;
    margin: 0px 4px 0px 4px;
}

.flex {
  margin-top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

a.bttn {
  color: #3C4A55;
  text-decoration: none;
  -webkit-transition: 0.3s all ease;
  transition: 0.3s ease all;
}
a.bttn:hover {
  color: #FFF;
}
a.bttn:focus {
  color: #FFF;
}
.bttn {
  font-size: 1rem;
  text-transform: uppercase;
  display: inline-block;
  text-align: center;
  width: 270px;
  font-weight: 100;
  padding: 14px 0px;
  border: 0.5px solid #3C4A55;
  border-radius: 5px;
  position: relative;
  
}

.bttn:before {
  -webkit-transition: 0.5s all ease;
  transition: 0.5s all ease;
  position: absolute;
  top: 0;
  left: 50%;
  right: 50%;
  bottom: 0;
  opacity: 0;
  content: '';
  background-color: #3C4A55;
  z-index: -2;
}
.bttn:hover:before {
  -webkit-transition: 0.5s all ease;
  transition: 0.5s all ease;
  left: 0;
  right: 0;
  opacity: 1;
}
.bttn:focus:before {
  transition: 0.5s all ease;
  left: 0;
  right: 0;
  opacity: 1;
}

/*-- footer --*/

a {
    color: #3C4A55;
    cursor: pointer
}

footer{
    font-family: 'Roboto', sans-serif;
    text-decoration: none;
    list-style: none;
    background: #bcbcbc;
    padding: 6rem 0;
    line-height: 1;
    font-size: 0.9rem;
    color: #ffffff;
    line-height: 1.3;    
}

footer a:hover {
    text-decoration: underline;
}

footer article{
    display: block;
    margin-left: 6rem;
}

.link-list{    
    line-height: 1.8;
    text-align: left
}


p.left{
    width: 600px;
    padding-right: 40px;
    margin: 0;
    text-align: left
}

.interior{    
    display: flex;
    margin-top: 3rem;
    
}

.link-catedra{
    width: 600px;
    padding-right: 40px;
    margin: 0;
    text-align: left
    
}


@media only screen and (max-width: 500px) {
    .mobile-borrar{
        display: none;
    }
}