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html5-boilerplate main.css 참고

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https://github.com/h5bp/html5-boilerplate/blob/master/css/main.css


스크린리더에서 읽히는 css 숨김처리 참고용


/*
* Hide from both screenreaders and browsers: h5bp.com/u
*/

.hidden {
    display: none !important;
    visibility: hidden;
}

/*
* Hide only visually, but have it available for screenreaders: h5bp.com/v
*/

.visuallyhidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

/*
* Extends the .visuallyhidden class to allow the element to be focusable
* when navigated to via the keyboard: h5bp.com/p
*/

.visuallyhidden.focusable:active,
.visuallyhidden.focusable:focus {
    clip: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    position: static;
    width: auto;
}

/*
* Hide visually and from screenreaders, but maintain layout
*/

.invisible {
    visibility: hidden;
}

/*
* Clearfix: contain floats
*
* For modern browsers
* 1. The space content is one way to avoid an Opera bug when the
* `contenteditable` attribute is included anywhere else in the document.
* Otherwise it causes space to appear at the top and bottom of elements
* that receive the `clearfix` class.
* 2. The use of `table` rather than `block` is only necessary if using
* `:before` to contain the top-margins of child elements.
*/

.clearfix:before,
.clearfix:after {
    content: " "; /* 1 */
    display: table; /* 2 */
}

.clearfix:after {
    clear: both;
}

/*
* For IE 6/7 only
* Include this rule to trigger hasLayout and contain floats.
*/

.clearfix {
    *zoom: 1;
}


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