Set font size of Angular Material Tooltip

Question

I am very new to web development, and I cannot figure out how to solve the following issue, although it may be very easy.

I am using Angular 4 and Angular Material t

Answer 1

My problem was that using a globally defined css class-name such as .customname-toolip for matTooltipClass was NOT working. My solution below, and the !important was needed; set in the global styles.css file:

.mat-tooltip {
font-size: 16px !important;

}