body {
  margin: 0;
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #f4f4f4;
  padding: 0;
}

.keyboard {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: space-between;
  gap: 10px;
  height: 100vh;
  width: 100vw;
  padding: 1vh 1vw;
  box-sizing: border-box;
}

.key-row {
  display: flex;
  gap: 1vw;
  width: 100%;
  flex: 1;
}

.key {
flex: 1;
  padding: 90px 50px;
  font-size: 1.5em;
  border: none;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  flex: 1;
  height:100%;
  color: red;
  touch-action: manipulation;
}

.thumbs button{
    display: flex;
    align-items: center;
    justify-content: center;
     padding: 90px 50px;
  font-size: 1.5em;
  border: none;
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  height:100%;
  color: red;
  touch-action: manipulation;
}
.key:active, .thumbs button:active {
  background: blue;
}

.thumbs {
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-left: -40px;
}


.spacer {
  width: 60px;
}


.TK, .PW , .HR, .FR, .PB, .DZ, .TS,.LG{
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
}