.sub_description {
	/* margin-top: -20px; */
	font-style: italic;
	font-size: 0.7em;
	color: #F03838;
}

.sub_description a {
	color: black;
}

.button-square-first {
	margin-left: 0px;
}

.post-content img {
	margin-left: auto;
    margin-right: auto;
}

.highlight pre {
	padding: 30px;
}