.pagina { max-width: 960px; margin: 0 auto;
}


body{
    background: #FFF;
    margin: 0;
    font-family: Helvetica, sans-serif;

    
}

header{
    width: 100%;
    height: 150px;
    background: #8F2D4B;
    margin: 0 auto;
}

nav{ 
    width: 100%;
    height: 50px;
    background: #BD4149;
    margin: 0 auto;
    
    
    }

nav a{
    text-decoration:none;
    padding: 4px;
    margin: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #fff;
}

main{
     width: 100%;
     height: 600px;
     background: #EF4056;
     margin: 0 auto;
}


main img{
    width: 90%;
    display: block;
    margin: 10px auto;
}

footer{
    width: 100%;
    height: 70px;
    background: #8B5954;
    margin: 0 auto;
}

footer p{
    font-size: 10px;
    text-align: center;
    color: #fff;
    
}

section{
    width: 650px;
    height: 450px;
    background: #FFE7C8;
    float: left;

}

section p{
    font-size: 12px;
    line-height: 16px;

}

section p span{
    font-weight: 900;
    color: #d04545;
    
    }
    
aside{
    width: 300px;
    height: 200px;
    background: #FFE7C8;
    float: right;
}

aside p span{
    font-weight: 900;
    color: #d04545;
    
    }

section article {
    width: 300px;
    height: 420px;
    background: #FFF;
    margin: 10px;
    float: left;
    
   } 
  

aside article {
    width: 220px;
    height: 100px;
    background: #8E636C;
    margin: 35px 30px;
}

@media screen and (max-width:960px)
{
    section { width: 100%; }
    section article { background: #73B1B4; width: 45%; }
    aside {display: none;}
    
    
}