DIV.pestana , DIV.pestana_sobre, DIV.pestana_activa{ float: left; margin-top: 8px; margin-left: 3px; margin-right:3px; margin-bottom:1px;  height: 17px; padding-left: 5px; padding-right: 5px; padding-top: 2px; background: transparent; color: #FFFFFF; font-weight: normal; }
DIV.pestana_sobre, DIV.pestana_activa { margin-top: 7px; margin-left: 2px; margin-right:2px; margin-bottom:0px; }
DIV.pestana_sobre { background:url(../images/pestana_sobre.png) repeat-x; border: 1px solid #6B97C7; cursor:pointer; }
DIV.pestana_activa { background: url(../images/pestana_activa.png) repeat-x; border: 1px solid #000000;}
DIV.barra_pestanas { width: 892px; height: 39px; font-size: 10pt; color: #FFFFFF; text-align:center; background: url(../images/barra.png) repeat-x; border-left: 1px solid #000000; border-right: 1px solid #000000;  margin: auto;}
DIV.contenedor_pestanas { width: 892px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-bottom: 1px solid #000000; margin: auto; text-align: left;}