body
        {
            font-family: verdana;
            font-size: 8pt;
            font-weight: normal;
            margin:0px;
            background-image: url( 'http://www.redesignssa.com/site/adm/imagenes_cuerpo/bak_abajo_login.jpg' );
            background-repeat: repeat-x;
            background-position: bottom;
            background-attachment:fixed;
        }
        .tabla_principal
        {
            width:100%;
            height:100%;
            position:relative;
            z-index:0;
 
        }
        
      
        .tablas
{
            margin: 5px;
            padding: 5px;
            background-position: bottom;
            border: 1px solid #C9D5D6;
            background-color: #FFFFFF;
            background-image: url('http://www.redesignssa.com/site/adm/bak_proyectos.jpg');
            background-repeat: repeat-x;
        }

.links
{
    font-family: verdana;
    font-size: 7pt;
    color: #16313F;
    text-decoration: none;
}


/* marco_popup de las paginas */
.top_r_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r1_c3.png);
	background-repeat: no-repeat;
		  height: 25px;
            width: 26px;
}
.top_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r1_c2.png);
	background-repeat: repeat-x;
	height: 25px;
}
.top_l_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r1_c1.png);
	background-repeat: no-repeat;
		height: 25px;
	width: 25px;
}
.left_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r2_c1.png);
	background-repeat: repeat-y;
		width: 25px;
	height: auto;
}
.abajo_l_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r3_c1.png);
	background-repeat: no-repeat;
			height: 25px;
	width: 25px;
}
.abajo_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r3_c2.png);
	background-repeat: repeat-x;
			height: 25px;
}
.abajo_r_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r3_c3.png);
	background-repeat: no-repeat;
			height: 25px;
	width: 26px;
}
.right_paginas_pop {
	background-image: url(http://www.redesignssa.com/site/adm/pags/archivos_generales/imagenes_marco_paginas_pop/marco_popups_r2_c3.png);
	background-repeat: repeat-y;
		width: 26px;
	height: auto;
}


.centro {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r2_c2.png);
	background-repeat: repeat;
}
.abajo {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r3_c2.png);
	background-repeat: repeat-x;
	background-position: top;
}
.arriba {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r1_c2.png);
	background-repeat: repeat-x;
	background-position: bottom;
}
.derecha {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r2_c3.png);
	background-repeat: repeat-y;
	background-position: left;
}
.izquierda {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r2_c1.png);
	background-repeat: repeat-y;
	background-position: right;
}
.derecha_abajo {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r3_c3.png);
	background-repeat: no-repeat;
	background-position: left top;
}
.derecha_arriba {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r1_c3.png);
	background-repeat: no-repeat;
	background-position: left bottom;
}
.izquierda_arriba {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r1_c1.png);
	background-repeat: no-repeat;
	background-position: right bottom;
}
.izquierda_abajo {
	background-image: url(http://www.redesignssa.com/site/adm/imagenes_Errores_Etc/errores_r3_c1.png);
	background-repeat: no-repeat;
	background-position: right top;
}