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

* {
  box-sizing: border-box;
}

body {
  font-family: 'Muli', 'sans-serif';
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.container {
  display: flex;
  width: 90vw;
}

.panel {
  height: 80vh;
  border-radius: 50px;
  color: #fff;
  cursor: pointer;
  flex: 0.5;
  margin: 1rem;
  position: relative;
  transition: flex 0.7s ease-in-out;
}

.panel h3 {
  font-size: 1.5rm;
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  margin: 0;
  opacity: 0;
}

.panel.active {
  flex: 5;
}

.panel.active h3 {
  opacity: 1;
  transition: opacity 0.3s ease-in 0.4s;
}

.panel-1 {
  background: url('https://cdn.pixabay.com/photo/2016/11/06/22/58/horse-1804425__340.jpg') no-repeat center center /
    cover;
}

.panel-2 {
  background: url('https://cdn.pixabay.com/photo/2021/09/23/13/26/moss-6649862__480.jpg') no-repeat center center /
    cover;
}

.panel-3 {
  background: url('https://cdn.pixabay.com/photo/2016/11/22/07/26/indiana-dunes-state-park-1848559__480.jpg') no-repeat center center /
    cover;
}

.panel-4 {
  background: url('https://cdn.pixabay.com/photo/2021/12/12/17/40/mountains-6865680__480.jpg') no-repeat center center /
    cover;
}

.panel-5 {
  background: url('https://cdn.pixabay.com/photo/2018/08/16/08/39/hallstatt-3609863__480.jpg') no-repeat center center /
    cover;
}

@media (max-width: 480px) {
  .container {
    width: 100vw;
  }

  .panel:nth-of-type(4),
  .panel:nth-of-type(5) {
    display: none;
  }
}