*{margin:0; padding:0;}
body{font-family:arial; color:#f1f1f1;  background-color: #ffffff;}
img {border:0;}
table{font-size:14px; line-height:18px;}
input, textarea, button{font-family:arial; font-size:14px; line-height:18px;}
.txt_main{font-size:12px; line-height:16px;}
/*Credits: Dynamic Drive CSS Library */
/*URL: http://www.dynamicdrive.com/style/ */

.shadetabs{
border-bottom: 1px solid gray;
/* width: 90%; width of menu. Uncomment to change to a specific width */
margin-bottom: 1em;
}

.shadetabs ul{
padding: 3px 0;
margin-left: 0;
margin-top: 1px;
margin-bottom: 0;
font: bold 12px Verdana;
list-style-type: none;
text-align: right; /*set to left, center, or right to align the menu as desired*/
}

.shadetabs li{
display: inline;
margin: 0;
}

.shadetabs li a{
text-decoration: none;
padding: 3px 7px;
margin-right: 3px;
border: 1px solid #778;
color: #2d2b2b;
background: white url(/archivos/design/shade.gif) top left repeat-x;
}

.shadetabs li a:visited{
color: #2d2b2b;
}

.shadetabs li a:hover{
text-decoration: underline;
color: #2d2b2b;
}

.shadetabs li.selected{
position: relative;
top: 1px;
}

.shadetabs li.selected a{ /*selected main tab style */
background-image: url(/archivos/design/shadeactive.gif);
border-bottom-color: white;
}

.shadetabs li.selected a:hover{ /*selected main tab style */
text-decoration: none;
}