.ui-widget { font-family: Verdana,Arial,sans-serif; font-size: 1.1em; }
.ui-widget .ui-widget { font-size: 1em; }
.ui-widget input, .ui-widget select, .ui-widget textarea, .ui-widget button { font-family: Verdana,Arial,sans-serif; font-size: 1em; }
.ui-widget-content { border: 1px solid #aaaaaa; background: #ffffff url(../images/icons/ui-bg_flat_75_ffffff_40x100.png) 50% 50% repeat-x; color: #222222; }
.ui-widget-content a { color: #222222; }
.ui-widget-header { border: 1px solid #aaaaaa; background: #cccccc url(../images/icons/ui-bg_highlight-soft_75_cccccc_1x100.png) 50% 50% repeat-x; color: #222222; font-weight: bold; }
.ui-widget-header a { color: #222222; }
.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default {/* border: 1px solid #d3d3d3; *//* background: #e6e6e6 url(../images/icons/ui-bg_glass_75_e6e6e6_1x400.png) 50% 50% repeat-x; *//* font-weight: normal; *//* color: #555555; */}
.ui-state-default a, .ui-state-default a:link, .ui-state-default a:visited { color: #555555; text-decoration: none; }
.ui-state-hover, .ui-widget-content .ui-state-hover, .ui-widget-header .ui-state-hover, .ui-state-focus, .ui-widget-content .ui-state-focus, .ui-widget-header .ui-state-focus { border: 1px solid #999999; background: #dadada url(../images/icons/ui-bg_glass_75_dadada_1x400.png) 50% 50% repeat-x; font-weight: normal; color: #212121; }
.ui-state-hover a, .ui-state-hover a:hover { color: #212121; text-decoration: none; }
.ui-state-active, .ui-widget-content .ui-state-active, .ui-widget-header .ui-state-active {/* border: 1px solid #aaaaaa; *//* background: #ffffff url(../images/icons/ui-bg_glass_65_ffffff_1x400.png) 50% 50% repeat-x; *//* font-weight: normal; *//* color: #212121; */}
.ui-state-active a, .ui-state-active a:link, .ui-state-active a:visited { color: #212121; text-decoration: none; }
.ui-widget :active { outline: none; }
.ui-corner-all, .ui-corner-bottom, .ui-corner-left, .ui-corner-bl { -moz-border-radius: 4px; -webkit-border-radius: 4px; -khtml-border-radius: 4px; border-radius: 4px; }
.ui-corner-all, .ui-corner-bottom, .ui-corner-right, .ui-corner-br { -moz-border-radius: 4px; -webkit-border-radius: 4px; -khtml-border-radius: 4px; border-radius: 4px; }
.ui-widget-overlay { background: #aaaaaa url(../images/icons/ui-bg_flat_0_aaaaaa_40x100.png) 50% 50% repeat-x; opacity: .30;filter:Alpha(Opacity=30); }
.ui-widget-shadow { margin: -8px 0 0 -8px; padding: 8px; background: #aaaaaa url(../images/icons/ui-bg_flat_0_aaaaaa_40x100.png) 50% 50% repeat-x; opacity: .30;filter:Alpha(Opacity=30); -moz-border-radius: 8px; -khtml-border-radius: 8px; -webkit-border-radius: 8px; border-radius: 8px; }
.ui-slider { position: relative; text-align: left; }
.ui-slider .ui-slider-handle { position: absolute; z-index: 2; width: 1.2em; height: 1.2em; cursor: default; }
.ui-slider .ui-slider-range { position: absolute; z-index: 1; font-size: .7em; display: block; border: 0; background-position: 0 0; }
.ui-slider-horizontal { height: .8em; width:250px; }
.ui-slider-horizontal .ui-slider-handle { top: -.3em; margin-left: -.6em; }
.ui-slider-horizontal .ui-slider-range { top: 0; height: 100%; }
.ui-slider-horizontal .ui-slider-range-min { left: 0; }
.ui-slider-horizontal .ui-slider-range-max { right: 0; }
.ui-slider-vertical { width: .8em; height: 100px; }
.ui-slider-vertical .ui-slider-handle { left: -.3em; margin-left: 0; margin-bottom: -.6em; }
.ui-slider-vertical .ui-slider-range { left: 0; width: 100%; }
.ui-slider-vertical .ui-slider-range-min { bottom: 0; }
.ui-slider-vertical .ui-slider-range-max { top: 0; }
.ui-tabs { position: relative; padding: .2em; zoom: 1; }
.ui-tabs .ui-tabs-nav { margin: 0; padding: .2em .2em 0; }
.ui-tabs .ui-tabs-nav li {/* list-style: none; *//* float: left; *//* position: relative; *//* top: 1px; *//* margin: 0 .2em 1px 0; *//* border-bottom: 0 !important; *//* padding: 0; *//* white-space: nowrap; */}
.ui-tabs .ui-tabs-nav li a { float: left; padding: .5em 1em; text-decoration: none; }
.ui-tabs .ui-tabs-nav li.ui-tabs-selected { margin-bottom: 0; padding-bottom: 1px; }
.ui-tabs .ui-tabs-nav li.ui-tabs-selected a, .ui-tabs .ui-tabs-nav li.ui-state-disabled a, .ui-tabs .ui-tabs-nav li.ui-state-processing a { cursor: text; }
.ui-tabs .ui-tabs-nav li a, .ui-tabs.ui-tabs-collapsible .ui-tabs-nav li.ui-tabs-selected a { cursor: pointer; }
.ui-tabs .ui-tabs-panel { display: block; border-width: 0; padding: 1em 1.4em; background: none; }
.ui-tabs .ui-tabs-hide { display: none !important; }
from the frontend CSS file of HikaShop that you can edit in the Display tab of the HikaShop configuration page and that will display like you want.