@media (hover: hover) {
  button:hover {
    background-color: #70a615;
  }
}

@media (hover: none) {
  button:active {
    background-color: #70a615;
  }
}

@media (min-width: 640px) {
  .body__main_block {
    width: 650px;
  }
}

@media (max-width: 640px) {
  .body__main_block {
    width: 100%;
  }
  .body__main_block__base_title {
    font-size: 2rem;
  }

  .body__main_block__second_title {
    font-size: 1.5rem;
  }

  .body__main_block__third_title {
    font-size: 1.2rem;
  }
  .line_group {
    flex-direction: column;
  }
  .row_two_fields_first,
  .row_two_fields_second,
  .minor_birthday {
    width: 100%;
  }
  p:last-child {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 40px;
  }
  button {
    display: inline;
    margin: 0;
  }
  a {
    display: block;
    text-align: center;
  }
}