CSS Fall-backs are a waste of time?


Let's say css flexbox or css grid for example. We know that these are not fully supported across older browsers so to make sure our code displays correctly we need to use fallbacks. Doesn't it make sure to just use the code that works across all versions of browser to avoid code bloating and time-wasting?

For example:

.heading-text {   text-align:center;   display: flex;   align-items: center;   justify-content: center; }
Code (CSS):

Wouldn't it just make sense to go. Instead of using…

CSS Fall-backs are a waste of time?