*{
margin: 0;
padding: 0;
}

body{ 
	background: #1B1C1D;
	font-family: 'Roboto Slab', serif;
	color: rgba(52, 44, 18, 0.6);
    background-size: cover;
	background-attachment: fixed;
    background-image: url('fondo.jpg');
    height: 100vh; 

}


#principal{
	width: 50vw;
	margin: 0 auto;
	color: white;
	background: rgba( 0, 0 , 0, 0.8);
	padding: 2%;
}

h1 {
  font-size: 3vw;
}
p{
line-height: 160%;
text-align: justify;
font-size: 1.2vw;
margin-top: 0.8em;
}

.cd-top {
  display: inline-block;
  height: 40px;
  width: 40px;
  position: fixed;
  bottom: 40px;
  right: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
  /* image replacement properties */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  background: rgba(15, 3, 6, 0.8) url('cd-top-arrow.svg') no-repeat center 50%;
  visibility: hidden;
  opacity: 0;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
}
.cd-top.cd-is-visible {
  /* the button becomes visible */
  visibility: visible;
  opacity: 1;
}
.cd-top.cd-fade-out {
  /* if the user keeps scrolling down, the button is out of focus and becomes less visible */
  opacity: .5;
}
.no-touch .cd-top:hover {
  background-color: #0f0306;
  opacity: 1;
}
@media only screen and (min-width: 768px) {
  .cd-top {
    right: 20px;
    bottom: 20px;
  }
}
@media only screen and (min-width: 1024px) {
  .cd-top {
    height: 60px;
    width: 60px;
    right: 30px;
    bottom: 30px;
  }
}



/* Media query */




      @media (max-width: 1024px) {
      
      h1{ 
	      font-size: 18px;
      }
       p {
           font-size: 12px;
        }
      }