.form {
	width: 400px;
	margin: 10px auto;

	text-align:center;
}

#message {
	display: none;
	text-align: center;
}
h3,h4 {
	color: red;
}
#square {
	max-width: 1200px;
	max-height: 1000px;

	margin: 10px auto;
	
	display: flex;
	flex-direction: column;
} 

#square ul {

	display: flex;
	flex-direction: row;

	flex: 1 1 auto;
}

#square ul li::before {
	content: "";
    display: inline-block;
    padding-bottom: 100%;
    vertical-align: middle;
}
#square ul li {
	text-align: center;
	font-weight: 200;

	color: black;
	margin: 5px;

	flex: 1;
	border: 1px solid purple;
	border-radius: 5px;

	opacity: 1;
	filter: alpha(opacity: 100);

	
}

#square ul li:hover {
	

	opacity: 0.5;
	filter: alpha(opacity: 50);
	
	text-shadow :0 0 10px purple;
	box-shadow: 0 0 10px black;
	
}