Alert Buttons Color

I am trying to set color to my alert button
I tried so many thing but still like gray color.
1.I try “cssClass:” but it didnt work,
2.I try css like : .alert-button-md: #color code but it didnt work

Any suggest to Ionic 3 ?

see where your style gets applied with the inspector of you browser I guess.

Yes ı did and ı changed and ı wrote scss but it didnt change ı dont understand

try adding !important

.red {

works for me