Background sidebry broken?

[Ser4ph4]

Hi, when I try to view the history it appears broken without the background, how can I resolve this?

below code in sidebery:

#root.root {--popup-scrollbar-color: rgba(255,255,255,0.275);}
#root.root {--history-item-padding-right: 6px;}
#root.root {--bookmarks-inner-gap: 6px;}
#root.root {--tabs-activated-bg: rgb(68, 71, 90);}
#root.root {--tabs-activated-fg: rgb(248, 248, 242);}
#root.root {--tabs-progress-bg: #479c45ff;}
#root.root {--tabs-margin: 3px;}
#root.root {--tabs-border-radius: 10px;}
#root.root {--tabs-color-layer-opacity: 0.2;}
#root.root {--tabs-pinned-height: 30px;}
#root.root {--tabs-activated-color-layer-opacity: 0.3;}
#root.root {--tabs-pinned-width: 30px;}
#root.root {--nav-btn-margin: 3px;}
#root.root {--nav-delimiter-size: 15px;}
#root.root {--nav-btn-border-radius: 10px;}
#root.root {--nav-btn-height: 39px;}
#root.root {--nav-btn-len-margin: 1px;}
#root.root {--frame-el-overlay-selected-border: #de67baff;}
#root.root {--toolbar-bg: rgb(68, 71, 90);}
#root.root {--frame-scrollbar-color: #c0c0c0ff;}
#root.root {--toolbar-el-overlay-clicked-bg: rgba(255,255,255,0.141);}
#root.root {--general-margin: 5px;}
#root.root {--general-border-radius: 9px;}
#root.root {--toolbar-el-overlay-selected-border: #47cfff;}