html,
body {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  min-height: 100vh;
}

main {
  max-width: 90%;
  position: relative;
  top: 50vh;
  transform: translate(0, -50%);
  height: 5rem;
  margin: auto;
  box-shadow: 1px 1px 2px 2px black;
  display: flex;
  justify-content: space-evenly;
  border-radius: 8px;
  align-items: center;
}

.key {
  border: 0.2rem solid yellow;
  background: rgba(35, 160, 91, 0.116);
  padding: 0 .2rem;
  width: 7rem;
  transition: all .07s ease;
  text-align: center;
  text-transform: uppercase;
}
kbd {
  display: block;
  font-size: 3rem;
}

.name {
  font-size: 1em;
  color: gray;
}

.tran {
  transform: scale(1.1);
  border: 0.22rem solid blue;
  box-shadow: 0.1rem 0.12em 0.5em 0.2em pink;
  background: rgb(84, 133, 141);
}