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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: 'contain: size' on buttons should cause them to be sized as if they had no contents.</title>
<link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
<link rel="help" href="https://drafts.csswg.org/css-contain/#containment-size">
<link rel="match" href="contain-size-button-002-ref.html">
<style>
button {
contain: size;
margin: 0;
border: 1em solid green;
/* In case the testcase's 'inner' text is taller than the button, don't let
it influence its line-box's size. This lets us more-easily compare
sizing between empty buttons vs. contained nonempty buttons. */
vertical-align: top;
}
.vaBaseline {
vertical-align: baseline;
}
.innerContents {
color: transparent;
height: 100px;
width: 100px;
}
.minWidth {
min-width: 50px;
}
.width {
width: 50px;
}
.minHeight {
min-height: 50px;
background: lightblue;
}
.height {
height: 50px;
background: lightblue;
}
.floatLBasic {
float: left;
}
.floatLWidth {
float: left;
width: 50px;
}
br { clear: both }
.iFlexBasic {
display: inline-flex;
}
.iFlexWidth {
display: inline-flex;
width: 50px;
}
.orthog {
writing-mode: vertical-lr;
}
</style>
</head>
<body>
<!--CSS Test: A size-contained button with no specified size should render at 0 height regardless of content.-->
<button><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained floated button with no specified size should render at 0px by 0px regardless of content.-->
<button class="floatLBasic"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained floated button with specified width and no specified height should render at given width and 0 height regardless of content.-->
<button class="floatLWidth"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained inline-flex button with no specified size should render at 0px by 0px regardless of content.-->
<button class="iFlexBasic"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained inline-flex button with specified width and no specified height should render at given width and 0 height regardless of content.-->
<button class="iFlexWidth"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained button should perform baseline alignment regularly.-->
outside before<button class="vaBaseline"><div class="innerContents">inner</div></button>outside after
<br>
<!--CSS Test: A size-contained button with specified min-width should render at given min-width and zero height regardless of content.-->
<button class="minWidth"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained button with specified width should render at given width and zero height regardless of content.-->
<button class="width"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained button with specified min-height should render at given min-height regardless of content.-->
<button class="minHeight"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained button with specified height should render at given height regardless of content.-->
<button class="height"><div class="innerContents">inner</div></button>
<br>
<!--CSS Test: A size-contained button with vertical text should perform baseline alignment regularly.-->
s<button class="orthog vaBaseline"><div class="innerContents">inner</div></button>endtext
<br>
<!--CSS Test: A size-contained button with inner text should layout the text in the same manner as a container of the same type with identical contents.-->
<button class="height width">inside</button>
</body>
</html>
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