54 lines
1.3 KiB
CSS
54 lines
1.3 KiB
CSS
/**
|
|
* @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 !important;
|
|
clip: auto;
|
|
overflow: visible;
|
|
height: auto;
|
|
width: auto;
|
|
}
|
|
|
|
/**
|
|
* Hide visually and from screen readers, but maintain layout.
|
|
*/
|
|
.invisible {
|
|
visibility: hidden;
|
|
}
|