* {
  margin: 0;
  box-sizing: border-box;
}

.main-container {
  width: 100%;
  height: 100vh;
  font-family: "Roboto", sans-serif;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.main-container .left,
.main-container .right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  transition: all 500ms;
  color: #fff;
  text-align: center;
  padding: 20px;
}

.main-container .left {
  background: url("images/1.jpg");
}

.main-container .right {
  background: url("images/2.jpg");
}

.main-container h2 {
  font-size: 60px;
  font-weight: 900;
}

.main-container p {
  font-size: 20px;
}

.main-container .btn {
  background: rgba(255, 255, 255, 0.7);
  padding: 12px 32px;
  text-decoration: none;
  display: inline-block;
  margin-top: 24px;
  color: #222;
  box-shadow: 0 4px 16px -4px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: all 500ms;
}

.main-container .left:hover,
.main-container .right:hover {
  flex: 2;
}

.main-container .left:hover .btn,
.main-container .right:hover .btn {
  opacity: 1;
}

/* --- Responsive Styles --- */
@media (max-width: 768px) {
  .main-container {
    flex-direction: column;
    height: auto;
  }

  .main-container .left,
  .main-container .right {
    flex: unset;
    width: 100%;
    height: 50vh;
  }

  .main-container h2 {
    font-size: 36px;
  }

  .main-container p {
    font-size: 16px;
  }

  .main-container .btn {
    opacity: 1;
  }
}