blog/content/articles/2012-07-16-using-kbd-for-fun-and-profit/_post-kbd.css

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

article kbd {
  font-size: 18px;
  color: #444;
  font-family: 'Lucida Grande', Lucida, Verdana, sans-serif;
  font-weight: normal;
  font-style: normal;
  text-align: center;
  line-height: 1em;
  text-shadow: 0 1px 0 #fff;
  display: inline;
  padding: 0.3em 0.55em;
  border-radius: 6px;
  background-clip: padding-box;
  border: 1px solid #bbb;
  background-color: #f7f7f7;
  background-image: linear-gradient(
    to bottom,
    rgb(0 0 0 / 10%),
    rgb(0 0 0 / 0%)
  );
  background-repeat: repeat-x;
  box-shadow: 0 2px 0 #bbb, 0 3px 1px #999, 0 3px 0 #bbb, inset 0 1px 1px #fff,
    inset 0 -1px 3px #ccc;
}

article kbd.dark {
  color: #eee;
  text-shadow: 0 -1px 0 #000;
  border-color: #000;
  background-color: #4d4c4c;
  background-image: linear-gradient(
    rgb(0 0 0 / 50%),
    rgb(0 0 0 / 0%) 80%,
    rgb(0 0 0 / 0%)
  );
  background-repeat: no-repeat;
  box-shadow: 0 2px 0 #000, 0 3px 1px #999, inset 0 1px 1px #aaa, inset 0 -1px
    3px #272727;
}

article kbd.ios {
  font-family: Helvetica, 'Helvetica Neue', Arial, sans-serif;
  color: #000;
  border-color: rgb(0 0 0 / 60%);
  border-top-color: rgb(0 0 0 / 40%);
  background-color: #b7b7bc;
  background-image: linear-gradient(to bottom, #efeff0, #b7b7bc);
  background-repeat: repeat-x;
  box-shadow: 0 1px 2px rgb(0 0 0 / 60%), 0 2px 3px rgb(0 0 0 / 10%), inset 0
    1px 0 #fff;
}

article kbd.android {
  font-family: Roboto, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: #fff;
  text-shadow: none;
  padding: 0.3em;
  border: 1px solid rgb(0 0 0 / 5%);
  border-radius: 3px;
  background-clip: padding-box;
  background-color: #5e5e5e;
  box-shadow: 0 2px 2px rgb(0 0 0 / 30%), 0 1px 0 #444, inset 0 1px 0 #868686;
}

article kbd.android.dark {
  background: #222;
  box-shadow: 0 2px 2px rgb(0 0 0 / 70%), 0 1px 0 #444, inset 0 1px 0 #505050;
}

article kbd.android.color {
  background: #083c5b;
  box-shadow: 0 2px 2px rgb(0 0 0 / 70%), 0 1px 0 #444, inset 0 1px 0 #36647b;
}