Change cookie notice styling

Remove unnecessary border

assets/global.css

@@ -59,7 +59,6 @@ body {
     height: 70px;
     position: absolute;
     background: --mdc-theme-primary;
-    border-bottom: 2px solid #fbeed5;
     color: --mdc-theme-background;
     text-align: center;
     bottom: 0;