@import url('https://fonts.googleapis.com/css2?family=Muli&display=swap');

* {
  box-sizing: border-box;
}

body {
  display: grid;
  place-content: center;
  height: 100vh;
  margin: 0;
  color: #fff;
  font-family: 'Muli', sans-serif;
  overflow: hidden;
}

.container {
  display: flex;
  width: 80vw;
  height: 80vh;
  gap: 20px;
}

.panel {
  position: relative;
  flex: 0.5;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 50px;
  cursor: pointer;
  transition: flex 0.7s ease-in;
  h3 {
    position: absolute;
    bottom: 25px;
    left: 25px;
    margin: 0;
    font-size: 24px;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
  }
  &.active {
    flex: 5;
    h3 {
      opacity: 1;
      transition: opacity 0.3s ease-in 0.7s;
    }
  }
}

@media (width <= 480px) {
  .container {
    padding: 0 10px;
    width: 100vw;
  }
  .panel:nth-of-type(n + 4) {
    display: none;
  }
}