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- /**
- * @file
- * Utility classes to hide elements in different ways.
- */
- /**
- * Hide elements from all users.
- *
- * Used for elements which should not be immediately displayed to any user. An
- * example would be collapsible details that will be expanded with a click
- * from a user. The effect of this class can be toggled with the jQuery show()
- * and hide() functions.
- */
- .hidden {
- display: none;
- }
- /**
- * Hide elements visually, but keep them available for screen readers.
- *
- * Used for information required for screen reader users to understand and use
- * the site where visual display is undesirable. Information provided in this
- * manner should be kept concise, to avoid unnecessary burden on the user.
- * "!important" is used to prevent unintentional overrides.
- */
- .visually-hidden {
- position: absolute !important;
- clip: rect(1px, 1px, 1px, 1px);
- overflow: hidden;
- height: 1px;
- width: 1px;
- word-wrap: normal;
- }
- /**
- * The .focusable class extends the .visually-hidden class to allow
- * the element to be focusable when navigated to via the keyboard.
- */
- .visually-hidden.focusable:active,
- .visually-hidden.focusable:focus {
- position: static;
- clip: auto;
- overflow: visible;
- height: auto;
- width: auto;
- }
- /**
- * Hide visually and from screen readers, but maintain layout.
- */
- .invisible {
- visibility: hidden;
- }
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