Customize Quick Search on Admin Level

[Thies Uhlenbruch]

To customize the style of the quick search bar I put in the following html:

<style>
#quick-search-query {
border-radius: 2em;
background: rgba(255,255,255,1);
color: rgba(0, 0, 0, 0.7); }

</style>

This works fine to have our quick search bar with round edges :-)

But if I change to the admin area then I have the default:

How can I change it here also?

Kind regards,

Thies