body{
	  background: #2C211D;
	  color: #F5F5F5;
	  font-family: 'Open Sans', sans-serif;
	  text-align: justify;
  } 
  
  
#back-to-top {
font-size: 2em;
    position: fixed;
    bottom: 100px;
    right: 100px;
    z-index: 9999;
    width: 60px;
    height: 60px;
    text-align: center;
    line-height: 50px;
    background: #f5f5f5;
    color: #2C211D;
    cursor: pointer;
    border: 0;
    border-radius: 50%;
    text-decoration: none;
    transition: opacity 0.2s ease-out;
    opacity: 0;
}
#back-to-top:hover {
    background: #e9ebec;
}
#back-to-top.show {
    opacity: 1;
}
#content {
    width: 70%;
    margin: 100px auto;
}