img { height: auto; }

.blog-aside.fixed { position: fixed; max-width: 25%; top: 0; }

.menu-item-has-children { position: relative; }
.sub-menu { display: none; position: absolute; left: -12px; background-color: #fff; z-index: 999; }
.sub-menu > li { margin-left: 0; }
.sub-menu > li > a { display: block; padding: 3px 12px; white-space: nowrap; }
@media (min-width: 769px) {
	.menu-item-has-children:hover .sub-menu { display: block; } }