how to set the default Notes font to default to 14pt?

Hi All,

how to set the default Notes font to default to 14pt?

Currently note's font something like this.

now,I will change Notes font to default to 14pt,is it possible to change css in CRM ?

Following code used but not working  now, any suggestion ?

I have created new_lead.js Web-resource and created LdCss function anc call on form load page but css not applied in notes tab.

please help me.

function LdCSS()
{
var path ="/WebResources/new_ContactNotesFontChange.css";
var head = document.getElementsByTagName('head')[0];
var link = document.createElement('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = path;
link.media = 'all';
head.appendChild(link);
}

Added new CSS file (new_ContactNotesFontChange.css )(Web-resource)

.tabsControl .tabsHeader .tabLink.active

{
font-size: 14pt !important;;

}

any idea ?

Thanks