Theme Courage

Hello

I need some help.
This theme is using Genericons on the right hand side there are 9 icons supose to be BUT I just want 2 how do I remove the black nameless icons.

Here is the code in css

#social-icons-menu {
	list-style-type: none;
	list-style-position: outside;
	line-height: 1em;
}
#social-icons-menu li {
	float: left;
	margin: 0 0.2em 0.2em 0;
	padding: 0;
}
#social-icons-menu li a {
	position: relative;
	display: inline-block;
	padding: 0.9em;
	background: #252525;
	text-decoration: none;
	color: #fff;
	-webkit-border-radius: 0.4em;
	-moz-border-radius: 0.4em;
	border-radius: 0.4em;
	transition: all 0.3s ease;
}
#social-icons-menu li a:before {
	color: #fff;
	display: inline-block;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	font-size: 16px/1;
	line-height: 1;
	font-family: 'Genericons';
	text-decoration: inherit;
	vertical-align: top;
}

/* Add Genericons */
/*#social-icons-menu li a:before { content: '\f408';} /* Default Icon */
#social-icons-menu li a[href*="facebook.com/"]:before { content: '\f204'; }
#social-icons-menu li a[href*="twitter.com/"]:before { content: '\f202'; }

/* Add Colors */
/*#social-icons-menu li a { background: #252525; } /* Default Icon */
#social-icons-menu li a[href*="facebook.com"] { background: #3b5998; }
#social-icons-menu li a[href*="twitter.com"] { background: #00aced; }

#social-icons-menu li a:hover {
	text-decoration: none;
	-webkit-border-radius: 1.5em;
	-moz-border-radius: 1.5em;
	border-radius: 1.5em;
}

#social-icons-menu li a .screen-reader-text {
	display: none;
}

.social-icons-wrap .social-icons-hint {
	font-size: 0.8em;
	color: #777;
	max-width: 300px;
	line-height: 1.2em;
}