There are several utility classes in Materialize CSS which are used for designing needs.
Alignment classes : For example, .valign-wrapper, .left-align, .rightalign, .center-align, .left, .right.
Hiding Content classes : For example, .hide, .hideon-small-only, .hide-on-med-only, .hide-on-med-and-down, .hide-on-med-and-up and .hide-on-large-only.
Showing Content classes : For example, .show-on-small, .show-on-medium, .show-on-large, .show-on-medium-and-up, .show-on-medium-and-down.
