#puzzle {
	width:100%;
	margin: 0;
	padding: 10px;
	border: 1px solid black;
}

.square{
	width:30px;
	height:30px;
	margin: 0;
	padding: 0;
	border-collapse: collapse;
    position: relative;
}

.empty{
    
}

.letter{
    border: 1px solid black;
    text-align: center;
    cursor: pointer;
	background-color:white;
}

#puzzle_container{
	margin: auto;
	width: 258px;
	background: linear-gradient(60deg, midnightblue 15%, #ebf8e1 , gold 85%);
}

#hints_container{
	display: none;
	float: left;
	width:50%;
	height: 50%;
    margin-left: 25px;
}

#buttons_container{
    clear: both;
    padding-top: 20px;
    margin-left: 30px;
	font-size: 0.8em;
	
}

.active {
    border: 2px solid red;
}

.question_number{
    position: absolute;
    font-size: 12px;
    color: grey;
    left: 3px;
    top: 3px;
}

#puzzle_container td{
    position:relative;
}