:root {
  --pd-logo-url: url(logo.svg);
  --pd-bell-url: url(wheel.svg);
  --pd-font: arial;
  --pd-background: #f5f5f5;
  --pd-background-head: #f5f5f5;
  --pd-color-primary: #1781e3;
  --pd-bell-left: 30px;
}