Pico/phpDoc/master/css/phpdocumentor-clean-icons/style.css

@font-face {
	font-family: 'phpdocumentor-clean-icons';
	src:url('fonts/phpdocumentor-clean-icons.eot');
	src:url('fonts/phpdocumentor-clean-icons.eot?#iefix') format('embedded-opentype'),
		url('fonts/phpdocumentor-clean-icons.woff') format('woff'),
		url('fonts/phpdocumentor-clean-icons.ttf') format('truetype'),
		url('fonts/phpdocumentor-clean-icons.svg#phpdocumentor-clean-icons') format('svg');
	font-weight: normal;
	font-style: normal;
}

/* Use the following CSS code if you want to use data attributes for inserting your icons */
[data-icon]:before {
	font-family: 'phpdocumentor-clean-icons';
	content: attr(data-icon);
	speak: none;
	font-weight: normal;
	font-variant: normal;
	text-transform: none;
	line-height: 1;
	-webkit-font-smoothing: antialiased;
}

/* Use the following CSS code if you want to have a class per icon */
/*
Instead of a list of all class selectors,
you can use the generic selector below, but it's slower:
[class*="icon-"] {
*/
.icon-trait, .icon-interface, .icon-class {
	font-family: 'phpdocumentor-clean-icons';
	speak: none;
	font-style: normal;
	font-weight: normal;
	font-variant: normal;
	text-transform: none;
	line-height: 1;
	-webkit-font-smoothing: antialiased;
}
.icon-trait:before {
	content: "\e000";
}
.icon-interface:before {
	content: "\e001";
}
.icon-class:before {
	content: "\e002";
}