.bloque {
    float:left;
    text-align:left;            
    width:100%;
}
.bloque-ac {
    float:left;
    text-align:center;            
    width:100%;
}
.bloque-ad {
    float:left;
    text-align:right;
    width:100%;
}
.bloque_guia_flecha
{
    width: 6px;
    height: 49px;            
    float: left;
    background: url(../../../App_Themes/2013/images/pagina_actual.png) no-repeat;
}
.ventanaModal
{
    background: url(../../../App_Themes/2013/images/blanco_90.png) repeat;     
    width:100%;
    height:auto;
    float:left;
    padding:5px;
    border-top:1px solid #cccccc;
    border-bottom:1px solid #cccccc;
}
.ventanaModalBorde
{
    background: url(../../../App_Themes/2013/images/blanco_90.png) repeat;     
    width:100%;
    height:auto;
    float:left;
    padding:5px;
    border-width:1px;
    border-style:solid;
    border-color:red;
}
.modalBackground { background-color: Gray; filter: alpha(opacity=70); opacity: 0.7; }
.bloque_powered
{
    width:100%;
    height:38px;            
    float:left;
    background: url(../../../App_Themes/2013/images/negro_80.png) repeat;
}
.bloque_negro80 {
    float: left; 
    background: url(../../../App_Themes/2013/images/negro_80.png) repeat;
    width:100%;
}
.bloque_negro70 {
    float: left; 
    background: url(../../../App_Themes/2013/images/negro_70.png) repeat;
    width:100%;
}
.bloque_negro60 {
    float: left; 
    background: url(../../../App_Themes/2013/images/negro_60.png) repeat;
    width:100%;
}
.bloque_negro50 {
    float: left; 
    background: url(../../../App_Themes/2013/images/negro_50.png) repeat;
    width:100%;
}