.top_links {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration: none;
}

.top_links:hover {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration:underline;		
}
<A href="#top">

.mainHdings {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
	text-align: center;
	vertical-align: middle;
}
.subHdings {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration: none;
	text-align: left;
	vertical-align: middle;
}
.aboutus {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration: none;
	background-color: #FF8000;
}

.rntxt {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: normal;
	color: #000000;
	text-decoration: none;
	text-align: justify;
	line-height: 18px;
}
.moreLink {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: bold;
	color: #FF6600;
	text-decoration: none;
}
.rntxt_bold {

	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
}
.bluelinks {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: normal;
	color: #0000CC;
	text-decoration: underline;
	text-align: left;
	line-height: 20px;
}
.isocertificate {

	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration: none;
	text-align: center;
	vertical-align: middle;
}
.employeelogin {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 13px;
	font-weight: bold;
	color: #25518B;
	text-decoration: none;
	text-align: center;
	vertical-align: middle;
}
.footer {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: normal;
	color: #000000;
	text-decoration: none;
	text-align: center;
	vertical-align: middle;
}
.headings {

	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: bold;
	color: #FF702B;
	text-decoration: none;
	text-align: left;
}
.subheadings {


	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #326BB8;
	text-decoration: none;
	text-align: left;
}
.butons {
	font-size: 13px;
	color: #FF702B;
	text-align: center;
	font-weight: bold;
}
.sidelinks {

	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
	text-align: left;
}
.sidelinks:hover {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	font-weight: bold;
	color: #FF8000;
	text-decoration:none;
}
<A href="#top">
.rntxt_bold_home {


	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
	text-align: left;
}
.rntxt_boldhome {


	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
}
.centerhds {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 13px;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration: none;
	text-align: center;
	background-color: #6C6C6C;
}
.centersubhds {

	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
	text-align: center;
}
.border {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-weight: normal;
	text-decoration: none;
	text-align: center;
	vertical-align: middle;
	border: 1px solid #FF8000;
}
.contactaddress {

	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: normal;
	color: #000000;
	text-decoration: none;
	line-height: 25px;
}
.loginbluelinks {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: normal;
	color: #0000CC;
	text-decoration: underline;
	line-height: 17px;
}
.loginbluelinks:hover {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: normal;
	color: #0000CC;
	text-decoration:none;
	line-height: 17px;
}
.rntxt_bold_strip {


	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	color: #000000;
	text-decoration: none;
}