jquery-ui-custom.css

/* common */

*:focus {
    outline: none;
}

.ui-widget {
    font-size: 12px;
}

.ui-corner-all,
.ui-corner-top,
.ui-corner-left,
.ui-corner-tl {
    border-top-left-radius: 0;
}
.ui-corner-all,
.ui-corner-top,
.ui-corner-right,
.ui-corner-tr {
    border-top-right-radius: 0;
}
.ui-corner-all,
.ui-corner-bottom,
.ui-corner-left,
.ui-corner-bl {
    border-bottom-left-radius: 0;
}
.ui-corner-all,
.ui-corner-bottom,
.ui-corner-right,
.ui-corner-br {
    border-bottom-right-radius: 0;
}

.ui-widget-content a {
    color: inherit;
}

.ui-widget-header {
    border: none;
    background-color: inherit;
    background-image: none;
}

.ui-tabs .ui-tabs-nav li.ui-tabs-active {
    padding-bottom: 0;
    margin-bottom: 0;
}

.ui-widget-header .ui-state-hover {
    background-color: inherit;

}
.ui-state-hover a,
.ui-state-hover a:hover,
.ui-state-hover a:link,
.ui-state-hover a:visited {
    background-color: inherit;
    background-image: none;
}

/* main tabs */

.ui-tabs {
    border: none;
}

.ui-tabs .ui-tabs-panel {
    padding: 0;
}

.ui-state-active.ui-state-hover a:hover {
    background: inherit;
}

li.ui-state-hover .ui-icon-close:hover {
    -moz-border-radius: 8px;
    -webkit-border-radius: 8px;
    border-radius: 8px;
    background-color: #f19c92;
    background-image: url(lib/jquery-ui-1.10.3.custom/css/ui-lightness/images/ui-icons_888888_256x240.png);
}

#tabs .ui-widget-header li a {
    padding-right: 4px;
}
#tabs .ui-widget-header li a .ui-icon {
    display: inline-block;
    margin-top: -4px;
    margin-left: -4px;
    vertical-align: middle;
    margin-right: 4px;
}