.ui-widget-content {
    background: transparent;
}
.ui-state-active, .ui-state-default, .ui-state-hover, ui-state-focus, .ui-widget-content {
    border: none;
}
    .ui-state-active .ui-icon, .ui-button:active .ui-icon {
        background-image: url(images/ui-icons_444444_256x240.png);
    }

.ui-accordion-header {
    outline: none;
}