html{
	margin:  0; 
	padding: 0;
    font-size:18px;
    scroll-behavior: smooth
}
body{
	background:#ccc url(https://cdn.pixabay.com/photo/2017/06/01/02/19/marble-2362262_960_720.jpg) center top no-repeat;
	background-size:100%;
	background-attachment:fixed;
}
a, a img{
	text-decoration:none;
	border:none;
}
img{
	max-width:100%;
	height:auto;
}
.principal{
	width: 960px;
	color: #444;
	margin: 0 auto;
}
.cabecalho, 
.logo, 
.rodape,
.menu{
	width:100%;
	display:block;
	clear:both;
}
.cabecalho{
	height:100px;
}
.logo-cabecalho{
	float:left;
}
.logo-cabecalho a{
	font-size:50px;
	font-family: 'Lobster', cursive;
	text-decoration:none;
	color: #000;
	display:block;
	padding:20px 0 0 0;
}
.pesquisa{
	float:right;
	margin-top:40px;
	margin-right:10px;
}
.menu{
	background:#000;
}
.menu ul li, 
.menu ul{
	margin:0;
	padding:0;
	list-style:none;
}
.menu ul li{
	display:inline-block;
}
.menu ul li a{
    font-family: 'Raleway', sans-serif;
    display:block;
	color:#fff;
	padding:13px 20px;
}
.corpo{
	position:relative;
	overflow:hidden;
}
.artigos{
	float:left;
}
.artigos, .artigos::after{
	width:70%;
}
.artigos::after{
	position:absolute;
	top:0;
	left:0;
	bottom:0;
	background:#fff;
	z-index:-1;
	content:'';
}
.barra-lateral{
	float:left;
}
.barra-lateral, .barra-lateral::after{
	width:30%;
}
.barra-lateral::after{
   content: '';
    position: absolute;
    top: 0;
    bottom: 0;
	right:0;
    z-index: -1;
    background: #f1f1f1;
}
.espacamento{
    font-family: 'Raleway', sans-serif;
    padding:20px;
    color: #000;
 
}
.rodape{
	padding:20px;
	text-align:center;
}