main {
  display: flex;
  align-items: center;
  justify-content: center;
}

form {
  text-align: center;
  width: 900px;
  padding: 50px;
  margin: 150px 10px;
  background: #04293a;
  color: #e2dcc8;
  border-radius: 35px;
  box-shadow: 15px 15px 15px 15px black;
}

form label,
form legend {
  display: block;
  font-size: 25px;
  margin: 10px 0 20px;
}

.input-padron {
  display: block;
  margin: 0 0 20px;
  padding: 10px 25px;
  width: 93%;
  background: #e2dcc8;
  font-size: 20px;
}

.checkbox {
  margin: 30px 0;
}

.enviar {
  width: 40%;
  padding: 15px 0;
  font-size: 18px;
  font-weight: bold;
  color: #e2dcc8;
  background: red;
  border: 2px solid blue;
  border: none;
  border-radius: 5px;
  transition: 1s all;
  cursor: pointer;
}

.enviar:hover {
  background: blue;
  transform: scale(1.2);
}