W3C CSS Validator errors

[federicadelia]

The W3C CSS Validation Service found validation errors relating to this product:

.ui-helper-zfix, Parse Error Opacity=0
.ui-progressbar .ui-progressbar-overlay, Parse Error opacity=25
.ui-slider.ui-state-disabled .ui-slider-handle, .ui-slider.ui-state-disabled .ui-slider-range, Property filter doesn't exist : inherit
.ui-priority-secondary, .ui-widget-content .ui-priority-secondary, .ui-widget-header .ui-priority-secondary, Parse Error Opacity=70
.ui-state-disabled, .ui-widget-content .ui-state-disabled, .ui-widget-header .ui-state-disabled, Parse Error Opacity=35
.ui-state-disabled .ui-icon, Parse Error Opacity=35
.ui-widget-overlay, Parse Error Opacity=30
.ui-widget-shadow, Parse Error Opacity=45