@charset "utf-8";
.botones a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 170px;
	height: 100px;
	background-image: url(images/empresa/cert_1.jpg);
	background-repeat: no-repeat;
	background-position: left top;
 }

 .botones a:hover {
	background-position: right 0;
 }

 .botones a:active {
	background-position: left 0;
 }
 .botones2 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 170px;
	height: 100px;
	background-image: url(images/empresa/cert_2.jpg);
	background-repeat: no-repeat;
	background-position: left top;
 }

 .botones2 a:hover {
	background-position: right 0;
 }

 .botones2 a:active {
	background-position: left 0;
 }
  .botones3 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 170px;
	height: 100px;
	background-image: url(images/empresa/cert_3.jpg);
	background-repeat: no-repeat;
	background-position: left top;
 }

 .botones3 a:hover {
	background-position: right 0;
 }

 .botones3 a:active {
	background-position: left 0;
 }
  .botones4 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 170px;
	height: 100px;
	background-image: url(images/empresa/cert_4.jpg);
	background-repeat: no-repeat;
	background-position: left top;
 }

 .botones4 a:hover {
	background-position: right 0;
 }

 .botones4 a:active {
	background-position: left 0;
 }
 
.botones5 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 200px;
	height: 150px;
	background-image: url(images/empresa/cert_5.jpg);
	background-repeat: no-repeat;
	background-position: right top;
	border: 1px none #CCC;
 }

 .botones5 a:hover {
	background-position: left top;
	background-repeat: no-repeat;
 }

 .botones5 a:active {
	background-position: left 0;
 }
 
 .botones6 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 200px;
	height: 150px;
	background-image: url(images/empresa/cert_6.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	border: 1px none #CCC;
 }

 .botones6 a:hover {
	background-position: right top;
	background-repeat: no-repeat;
 }

 .botones6 a:active {
	background-position: left 0;
 }
 
 .botones7 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 200px;
	height: 150px;
	background-image: url(images/empresa/cert_7.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	border: 1px none #CCC;
 }

 .botones7 a:hover {
	background-position: right top;
	background-repeat: no-repeat;
 }

 .botones7 a:active {
	background-position: left 0;
 }

 .botones8 a {
	outline: none;/* get rid of dotted borders in FireFox */
	text-indent: -5000px;/* this move the text outside of the screen area */
	display: block;
	width: 275px;
	height: 178px;
	background-image: url(images/logo-asr.png);
	background-repeat: no-repeat;
	background-position: left top;
	background-color: white;
	filter: grayscale(100%);
 }

 .botones8 a:hover {
	background-position: right 0;
	filter: grayscale(0%);
 }

 .botones8 a:active {
	background-position: left 0;
 }