iotaCSS is now a monorepo and all individual repositories are part of it. Please open issues or PRs here: https://github.com/iotacss/iotacss.
The position utility contains helper classes for the CSS position property.
npm install --save iotacss-utils-position
$iota-utils-position-namespace : '' !default;
$iota-utils-position-absolute-name : 'absolute' !default;
$iota-utils-position-fixed-name : 'fixed' !default;
$iota-utils-position-relative-name : 'relative' !default;
$iota-utils-position-static-name : 'static' !default;
$iota-utils-position-res : false !default;
$iota-utils-position-breakpoints : $iota-global-breakpoints !default;
.u-absolute
.u-fixed
.u-relative
.u-static
// Responsive Class Syntax
.u-[name]@[breakpoint-name] // Example: u-absolute@sm