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

html,
body {
  height: 100%;
}

.showcase {
  height: 100%;

  display: flex;

  align-items: center;
  justify-content: center;
  position: relative;
}

.showcase::before {
  content: '';
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  color: white;
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.5;
}

.showcase-text {
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
}

.showcase-text h1 {
  padding: 1rem;
  font-weight: 500;
}

.showcase-text p {
  margin-bottom: 1rem;
}

.showcase-text button {
  border: none;
  outline: 0;
  display: inline-block;
  padding: 10px 25px;
  color: black;
  background-color: #ddd;
  text-align: center;
  cursor: pointer;
  font-size: 1.5rem;
  margin-top: 2rem;
}

.showcase-text button:hover {
  background-color: #555;
  color: white;
}

.showcase-text .smiley {
  margin-left: 0.5rem;
}

.form,
.banner,
.showcase {
  overflow: hidden;
}

.form img,
.banner img {
  height: 100%;
  width: 100%;
}

@media screen and (max-width: 700px) {
  .showcase {
    display: block;
  }

  .banner {
    display: none;
  }

  .showcase::before {
    content: none;
  }

  .form {
    position: relative;
  }

  .form img {
    height: auto;
  }

  .form::before {
    content: '';
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    color: white;
    position: absolute;
    width: 100%;
    height: 100%;

    background-color: #000;
    opacity: 0.5;
  }

  .showcase-text {
    position: static;
    transform: none;
    color: #000;
  }

  .showcase-text p {
    margin-bottom: 0;
  }
}

@media screen and (max-width: 400px) {
  .showcase-text button {
    margin-top: 0.75rem;
    font-size: 1.25rem;
  }
}