模板:黑幕/Styles.css

.block {
	background-color : #000000;
	width:auto; 
	display:inline-block;
}
.block:hover {
	background-color : transparent;
	transition: all .2s;
}

.block2{
	background-color : transparent;
	transition: all .2s;
}
.block2:hover {
	background-color : #000000;
	transition: all .2s;
}