@media only screen and (max-width:980px){.endos .et_pb_column{width:50%!important}.entres .et_pb_column{width:33.33%!important}.encuatro .et_pb_column{width:25%!important}}.form-group{margin-bottom:20px}label{font-size:16px;color:#fff;display:block;margin-bottom:5px}input[type="text"],input[type="email"],textarea{width:100%;padding:10px;border:1px solid #ccc;border-radius:5px;font-size:14px;background-color:rgba(255,255,255,0.9)}textarea{height:150px}input[type="submit"],.btn{background-color:#007bff;color:#fff;padding:10px 15px;border:none;border-radius:5px;cursor:pointer;font-size:16px}input[type="submit"]:hover,.btn:hover{background-color:#0056b3}.form-control::placeholder{color:#999;font-style:italic}body{background:url('/ruta/a/tu-imagen-de-fondo.jpg') no-repeat center center fixed;background-size:cover}.formulario{padding:20px;border-radius:10px;background:rgba(255,255,255,0.8);max-width:600px;margin:0 auto;box-shadow:0 4px 8px rgba(0,0,0,0.2)}