Cascading Style Sheets（CSS）を使用してアイコンを実装します。

ご自由にご利用ください。

Previews

Examples html

<!-- icons -->

<div class="icons">

	<span></span>

</div>

<!-- /icons -->

Examples css

/* - icons - */

.icons {
	position: relative;
	width: 25px;
	height: 25px;
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background-color: rgba(0, 0, 0, 0.0);
	cursor: pointer;
}

.icons span {
	display: block;
	position: absolute;
	top: 18.5px;
	left: 9.5px;
	width: 0px;
	height: 0px;
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background-color: rgba(0, 0, 0, 0.0);
	border-top: 3px solid rgba(0, 0, 0, 1.0);
	border-right: 3px solid transparent;
	border-bottom: 3px solid transparent;
	border-left: 3px solid transparent;
	border-radius: 50%;
	transition: all .5s;
}

.icons span::before {
	content: "";
	display: block;
	position: absolute;
	top: -10.5px;
	left: -10px;
	width: 20px;
	height: 20px;
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background-color: rgba(0, 0, 0, 0.0);
	border-top: 4px solid rgba(0, 0, 0, 1.0);
	border-right: 4px solid transparent;
	border-bottom: 4px solid transparent;
	border-left: 4px solid transparent;
	border-radius: 50px;
	transition: all .5s;
}

.icons span::after {
	content: "";
	display: block;
	position: absolute;
	top: -18.5px;
	left: -17.5px;
	width: 35px;
	height: 35px;
	margin: 0px 0px 0px 0px;
	padding: 0px 0px 0px 0px;
	background-color: rgba(0, 0, 0, 0.0);
	border-top: 4px solid rgba(0, 0, 0, 1.0);
	border-right: 4px solid transparent;
	border-bottom: 4px solid transparent;
	border-left: 4px solid transparent;
	border-radius: 50%;
	transition: all .5s;
}

.icons:hover span {
	border-top: 3px solid rgba(192, 192, 192, 1.0);
}

.icons:active span {
	border-top: 3px solid rgba(0, 0, 0, 1.0);
}

.icons:hover span::before,
.icons:hover span::after {
	border-top: 4px solid rgba(192, 192, 192, 1.0);
}

.icons:active span::before,
.icons:active span::after {
	border-top: 4px solid rgba(0, 0, 0, 1.0);
}

/* - /icons - */