How do I modify the CSS style of article blockquote?

How do I modify the CSS style of article blockquote?

Where is the modified location?

/home/wwwroot/www.smusic.cc/wp-content/themes/anima/style.css

/* ## BLOCKQUOTES */
.entry-content blockquote {
	display: table;
	float: none;
	clear: both;
	position: relative;
	width: auto;
	margin: 0 auto;
	padding: 2em 2em 2em 5em;
	font-style: italic;
	font-weight: 400;
}

.entry-content blockquote::before {
	position: absolute;
	top: 50%;
	left: .5em;
	z-index: 0;
	font-size: 2em;
	font-family: 'iconmeta';
	-webkit-transform: translateY(-50%) rotate(180deg);
	-ms-transform: translateY(-50%) rotate(180deg);
	transform: translateY(-50%) rotate(180deg);

Website: www.smusic.cc