::selection{background-color:white;color:gray;}
::-webkit-scrollbar{
	width:8px;
}

::-webkit-scrollbar-track {
        background-color: white;
        border: 1px solid black;
}
::-webkit-scrollbar-thumb {
  background: black;
}

html{overflow-y:hidden;}
header{margin-left:-10px;margin-top:-10px;width:500px;}
#arriba{background-color:black;width:101%;height:30px;top:0px;margin-left:-20px;position:fixed;z-index:-1}
#nav{margin-right:20px;margin-top:480px;}
#content{float:left;width:850px;height:620px;display:flex;margin-top:30px;font-family:georgia;font-size:13px;line-height:130%;}
#all{display:flex;}
#main{width:700px;height:620px;}
#btn{font-size:30px;letter-spacing:-3px;margin-bottom:20px;font-style:italic;font-weight:bold;}
#btn a{text-decoration:none;color:black}