@import url('https://fonts.googleapis.com/css2?family=muli:wght@400;700&display=swap');

:root {
  --left-bg-color: rgba(87, 84, 236, 0.7);
  --right-bg-color: rgba(43, 43, 43, 0.8);
  --left-btn-hover-color: rgba(87, 84, 236, 1);
  --right-btn-hover-color: rgba(28, 122, 28, 1);
  --hover-width: 75%;
  --other-width: 25%;
  --speed: 1000ms;
}


* {
  box-sizing: border-box;
}

body {
  background-color: #e1e1e1;
  font-family: 'Muli', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.key{
  border: 1px solid #999;
  background-color: #eee;
  box-shadow: 1px 1px 3px rgba(0,0,0,0.1);
  display: inline-flex;
  align-items: center;
  font-size: 20px;
  font-weight: bold;
  padding: 20px;
  flex-direction: column;
  margin: 10px;
  min-width: 150px;
  position: relative;
}
.key small{
  position: absolute;
  top: -24px;
  left: 0;
  text-align: center;
  width: 100%;
  color: #555;
  font-size: 14px;
}