.cK {
}

.cK.cKLine {
  display: block;
  margin: 0;
  padding: 0;
  text-align: center;
  list-style-type: none;
}

.cK.cKKey,
.cK.cKFunction {
  font-weight: bold;
  font-size: 34px;
  display: inline-block;
  border-radius: 6px;
  border: 1px solid lightgray;
  background-color: #fff;
  color: #000;
  margin: 5px 8px;
  padding: 0 15px;
  min-width: 70px;
  height: 70px;
  box-sizing: border-box;
  text-align: center;
  line-height: 70px;
  overflow: hidden;
  cursor: pointer;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: -moz-none;
  -ms-user-select: none;
  user-select: none;
  outline: 0;
}

.cK.cKKey.uppercase {
  text-transform: uppercase;
}

.cK.cK-Active {
}

.cK .cK:active {
}

.cK.cKey-backspace {
  width: 75px;
  background-position: center;
  background-repeat: no-repeat;
  color: transparent;
}

.cK.cKey-shift {
  width: 110px;
  background-position: center;
  background-repeat: no-repeat;
  color: transparent;
}

.cK.cKey-space {
  width: 400px;
}

.cK.cKey-return {
  position: relative;
  width: 170px;
  animation: none !important;
  color: #fff;
  overflow: hidden;
  background-color: #383736;
  z-index: 1;
  transition: 0.07s ease-in;
  -o-transition: 0.07s ease-in;
  -ms-transition: 0.07s ease-in;
  -moz-transition: 0.07s ease-in;
  -webkit-transition: 0.07s ease-in;
}

.cK.cKey-return:active {
  color: #383736;
}

.cK.cKey-return:before {
  color: #383736;
  content: "";
  position: absolute;
  background-color: #fff;
  bottom: 0;
  left: 0;
  right: 100%;
  top: 0;
  z-index: -1;
  transition: right 0.07s ease-in;
}

.cK.cKey-return:active:before {
  right: 0;
}

/* DARK THEME */

.dark .cK.cKKey,
.cK.cKFunction {
  color: #fff;
  background-color: #383838;
  border-color: #a7a4a4;
}

.dark .cK.cKey-return {
  background-color: #767676;
}