.columnsWrapper {
  display: flex;
  flex-wrap: wrap;
}

body {
  background-color: #dedede;
}

h1,
h2,
p {
  color: #23272a;
}

.leftColumn {
  flex: 1;
  padding: 10px;
}

.rightColumn {
  flex: 1;
  padding: 10px;
}

@media (max-width: 768px) {
  .columnsWrapper {
    flex-direction: column;
  }

  .leftColumn {
    margin-left: 0;
  }

  .rightColumn {
    margin-left: 0;
  }

  .leftColumn img {
    max-width: 100%;
  }
}

@media (min-width: 768px) {
  .leftColumn {
    margin-left: 200px;
  }
}

.sign-up-btn_offerte {
  display: inline-block;
  background-color: #ff0088;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 20px;
}

.sign-up-btn_offerte:hover {
  display: inline-block;
  background-color: #bd0065;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 4px;
  text-decoration: none;
  transition: 1s;
}

#firstBg {
  background-color: white;
}