.button-form {
  font-size: 20px;
  color: white;
  width: 100%;
  border: 2px solid white;
  padding: 10px;
  transition-duration: 3ms;
  transition-property: background-color, color;
  transition-timing-function: ease-in-out;
}

.button-form:hover {
  background-color: #f0f0f0;
  color: black;

}