@import url(https://fonts.googleapis.com/css?family=Roboto:wght@400;700&display=swap);

* {
  box-sizing: border-box;
  font-size: 62.5%;
}

body {
  font-family: "Roboto", sans-serif;
  background: linear-gradient(45deg, #3f3f3f, #141111);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.container {
  display: flex;
  width: 98vw;
}

.panel {
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  background-size: auto 100%;
  background-position: center;
  background-repeat: no-repeat;
  color: antiquewhite;
  height: 80vh;
  font-size: 3rem;
  cursor: pointer;
  flex: 0.5;
  margin: 1rem;
  position: relative;
  transition: flex 0.7s cubic-bezier(0.86, 0, 0.07, 1);
}

.panel h3 {
  font-size: 2.4rem;
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  margin: 0;
  opacity: 0;
}

.panel.active {
  flex: 5;
}

.panel.active h3 {
  opacity: 1;
}

@media (max-width: 480px) {
  /* We are limiting the window size so that on smaller screen it takes the whole screen */
  .container {
    width: 100vh;
  }

  /* We would remove the panel 4 and 5 for smaller screens */
  .panel:nth-last-of-type(4),
  .panel:nth-last-of-type(5) {
    display: none;
  }
}