Style.css

body{background-image: url(./images/underthesea.jpg);}

#cabecalho a{text-decoration: none;}
#cabecalho a:link{color:rgb(0, 0, 0); padding:8px 12px;}
#cabecalho a:visited{color:rgb(255, 255, 255);padding:8px 12px;}
#cabecalho a:hover{color:rgb(0, 0, 0); background: rgb(150, 157, 255);}
h1{
    font-family: 'Satisfy', cursive;;
}
 a{text-decoration: none;}  
 a:link{color:rgb(136, 136, 244);}
 a:visited{color:rgb(99, 75, 215);}
 a:hover{color:orangered;}

 h2{color:rgb(73, 255, 164); margin:10px;}
 h3 {color: #3a3a3a; background: #CCC; padding: 0px;}
 #data{font-size:0,7em; display:block; padding-top: 0px; padding-bottom: 15px; margin:10px;}
 #cabecalho{width:900px;margin:10px auto;padding:4px; background: rgba(58, 24, 193, 0.882);text-align: center;}
 #cabecalho_nome, #cabecalho_menu{padding:15px;}
 #principal{width:950px; margin:10px auto; }
 #rodape{clear:both; width:950px;margin:10px auto;padding:15px; background: purple;text-align: center;}
 #postagem{ width:660px; margin:10px; float:left;}
 #lateral{ width: 240px; margin:10px; float:right;}

 .conteudo_postagem{padding: 20px; margin: 20px; background: rgba(17, 0, 255, 0.544);}
 .conteudo-lateral { padding: 20px; margin: 20px; background: white;}
 .laranja{color:orange;}