.accordion-header
{
    background: #758fd0 !important;
    font-size: 22px !important; 
    color: white !important;
    border: none !important;
    /*padding: 5px !important;*/
    border-radius: 0 !important;
    font-family: "Segoe UI", Verdana, Helvetica, Sans-Serif;
}

.accordion-div
{
    border: none !important;
    border-radius: none !important;    
    background: none !important;
    padding: 5px !important;
}

.ui-accordion .ui-accordion-header .ui-icon
{
    display: none !important;    
}