.btelegram {
	background-image: url("/bitrix/images/piarme.tgauthorize/telegram.png");
	background-size: 16px 16px;
	width:16px;
	height:16px;
	background-repeat:no-repeat;
}
.bx-authform-social ul li .bx-authform-social-icon.btelegram {
	background-image: url("/bitrix/images/piarme.tgauthorize/telegram.png");
	width: 35px;
	height: 35px;
	background-size: 35px 35px;
}