.box key{
}

.box key lst{
  float:left;
  text-align:center;
}

.cl{
  clear:both;
}

h1 {
    text-align: center;
   }

#game-board {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.letter-box {
  border: 2px solid gray;
  border-radius: 3px;
  margin: 2px;
  font-size: 2.5rem;
  font-weight: 700;
  height: 3rem;
  width: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  text-transform: uppercase;
}

.filled-box {
  border: 2px solid black;
}

.letter-row {
  display: flex;
}

#keyboard-cont {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
#keyboard-cont div {
    display: flex;
  }
  
  .second-row {
    margin: 0.5rem 0;
  }
  
  .keyboard-button {
    font-size: 1rem;
    font-weight: 700;
    padding: 0.5rem;
    margin: 0 2px;
    cursor: pointer;
    text-transform: uppercase;
  }

  .keyboard-none {
    display: flex;
    flex-direction: column;

    background-color: #fff;
    padding: 0.5rem;
    margin: 0 2px;
    border: 3px solid #fff;
    border-radius: 5px;
    cursor: auto;
  }