.square_btn {
    	display: inline-block;
    	padding: 0.3em 1em;
    	text-decoration: none;
    	color: #67c5ff;
    	border: solid 2px #67c5ff;
    	border-radius: 3px;
    	transition: .4s;
    	margin-bottom : 4px;
    	margin-left : 2px;
    	margin-right : 2px;
    	margin-top : 4px;
    }

    .square_btn:hover {
    	background: #1e90ff;
    	color: white;
    }