The CSS I am using these days

[ThinhDinh]

<pre><span><style>

[data-test="nav-bar"] >div +* {
  color: transparent !important; 
}

[data-test="glide-app-bar"] >div >div >div >div {
text-align: center;
}

.nav-bar-root {
  content: "";
  display: flex;
  background-image: url(https://icon-library.com/images/speedometer-icon-png/speedometer-icon-png-8.jpg);
  background-size: 45px 40px;
  background-repeat: no-repeat; 
  background-position: center, center;
}