body {
    margin: 0;
    padding: 0;
}

#map {
	width: 100%;
	height: 500px;
	margin: auto;
}

.header {
    color: #534E55;
	font-size: 1.3rem;
	font-weight: 700;
	margin-bottom: 20px;
    text-align: center;
}

.row {
    padding: 20px;
}
.container {
    width: 200px;
    height: 500px;
    position: relative;
    margin: 0px;
    color: #534E55;
}
.container label {
	font-weight: bold;
}

.box {
    width: 100%;
    height: 100%;            
    position: absolute;
    top: 0;
    left: 0;
}
.screen {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.8;
}
.stack-button {
    z-index: 9;
    margin-top:  160px;
    margin-left:  40px;
}

.stack-hint {
    z-index: 7;
    margin-top:  220px;
    margin-left:  60px;
}

.stack-solution {
    display: none;
    z-index: 8;
    margin-top:  90px;
    margin-left:  20px;
}