env()
env() is a CSS function in the Functions category. Accesses environment variables like safe area insets. The syntax is env(<safe-area-inset>). A typical example: padding-top: env(safe-area-inset-top); It is commonly applied to markup such as <div class="demo">Sample</div> Browser support: Chrome 69+, Firefox 65+, Safari 11.1+, Edge 79+. A close relative is calc(), which performs mathematical calculations with mixed units. A close relative is min(), which selects the smallest value from a list. A close relative is max(), which selects the largest value from a list. More about this category: CSS functions — calc(), var(), clamp(), min(), max() and more. Related Functions entries: calc(), min(), max(), clamp(), var(), url(), attr(), rgb() / rgba(). This page is part of the free CSS Reference documentation covering 841+ properties, selectors, functions, and at-rules, each with syntax, values, examples, and browser support. You can look up any other entry from the search page or return to the CSS Reference homepage.