#formularioDeMensagemEmail {margin: 0 auto; text-align: center; width: 50%; padding: 1% 0 2% 0; background-color: #2b2b2b;}

#campoNome {margin-left: 1.7%; width: 35%; float: left; padding: 2px;}

#campoEmail {margin-left: 1.5%; width: 60%; float: left; padding: 2px;}

#campoAssunto {width: 96.5%; padding: 2px;}

#campoMensagem {width: 96.5%; min-height: 200px; padding: 5px;}

#btnEnviarMensagem {margin-right: 1.7%; width: 100px; padding: 5px; border-radius: 7px; float: right;}

.frspam {float:rigth;}

h3 {color: white;}

hr {width: 96.5%; margin-bottom: 5%;}

@media only screen and (max-width:510px){
    #campoNome {width: 96.5%; font-size: 10px;}

    #campoEmail {width: 96.5%; margin-top: 1%; font-size: 10px;}

    #campoAssunto {width: 96.5%; margin-top: 1%; font-size: 10px;}
}