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

body {
  font-family: 'Roboto', sans-serif;
  height: 100vh;
  display: flex;
}

.col {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.col h2 {
  padding: 10px;
  color: #fff;
  border-radius: 10px;
  transition: background 0.3s;
}

.col h2:hover {
  background: rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.col button {
  outline: none;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  color: #fff;
  border-radius: 10px;
  padding: 10px;
  transition: background 0.3s;
}

.col button:hover {
  background: rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.selected {
  transform: scale(110%);
  transition: transform 0.5s;
}