h1 {
 text-align: center;
}

#go_button{
	background-color: #000000; 
	color: #FFFFFF; 
	padding:10px 100px 10px 100px; 
	border-radius: 10px;
	-moz-border-radius: 10px;
	-webkit-border-radius: 10px;
	margin:10px
}
#change_guess{
    background-color: #000000; 
	color: #FFFFFF; 
	padding:10px 10px 10px 10px; 
	border-radius: 10px;
	-moz-border-radius: 10px;
	-webkit-border-radius: 10px;
	margin:10px	
}

.centre-flex-col{
  display: flex;
  align-items: center;
  flex-direction: column;
}


.letter-box {
  border: 2px solid gray;
  border-radius: 3px;
  margin: 2px;
  font-size: 1.5rem;
  font-weight: 500;
  height: 3rem;
  width: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  text-transform: uppercase;
}

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

.letter-row {
  display: flex;
}

.color-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;
}