iotaCSS allows you to fully customize all classes based on your needs. Assuming you would like to change the syntax of
the classes from .u-absolute to u-display-absolute. To do this, you should update the namespace classes:
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$iota-utils-display-namespace:'display';
Enable responsive display utilities
By enabling the responsive display utilities, you have access to a set of utility classes which bind to breakpoints. By default, they bind to the iotaCSS global breakpoints specified in Settings.Core.
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$iota-utils-display-res:true;
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<h1class="u-hidden u-block@sm">
Heading hidden in mobile and display block on tablets and up.
</h1>
Set breakpoints only for display utility
In case you would like to use different breakpoints to display utility only, you should use the local variable.