.jumbotron{text-align:center}.jumbotron p{font-size:17px;font-weight:700}.arma{width:160px;width:125px}h4{font-size:1.4rem}.principal{background:#f0f8ff;padding:15px}.jumbotron{background:0}.header-form{text-align:center}.lead,p{font-weight:700}.enviar{margin-left:10px}.bold{font-weight:700}