.formulario{width:100%;height:auto;margin:0 auto}#nombre,#email,#mensaje,#enviar,#borrar{width:100%}.label{display:inline-block}input,textarea,button{margin-top:5px;margin-bottom:10px;border-color:#39C;border-style:solid}input,textarea{background-color:#fbfbfb;border:1px solid #99F;border-radius:5px;padding:0 10px}
input{height:40px}textarea{height:130px;padding-top:15px}button{height:auto;background-color:#369;border-radius:10px;cursor:pointer;color:#fff;font-size:110%;font-weight:500}.obligatorio{font-size:150%;color:#369}.formulario input:focus,.formulario textarea:focus{outline:0}
@media (min-width: 810px) {button{height:45px}}