Last active
August 29, 2015 13:55
-
-
Save oobleck/8718497 to your computer and use it in GitHub Desktop.
Simple CSS-only corner sash/ribbon. Works down to IE8.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<div class="box"> | |
<p>The <kbd>.stash</kbd> element creates the bounding box that aligns in the corner and crops the contents at an angle. The <kbd>.sash > span</kbd> gets sized and rotated.</p> | |
<span class="sash"> | |
<span>New!</span> | |
</span> | |
</div> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
@mixin _rotate($deg: -45, $display: block) { | |
$matrix: (cos($deg) -1*sin($deg) sin($deg) cos($deg)); | |
display: $display; | |
@include rotate(#{$deg}deg); | |
@include transform-origin(center, bottom, 0, false); | |
.no-csstransforms & { | |
// http://stackoverflow.com/questions/5669489/create-a-cross-browser-mixin-for-transform-rotate | |
// http://www.useragentman.com/IETransformsTranslator/ | |
-ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=#{nth($matrix, 1)}, M12=#{nth($matrix, 2)}, M21=#{nth($matrix, 3)}, M22=#{nth($matrix, 4)}, SizingMethod='auto expand')"; | |
margin: 0 0 0 0; | |
} | |
} | |
.sash { | |
$padding: baseline(1); | |
$height: (1.5 * $em-base) + ($padding * 2); | |
$hypot: 1.42; | |
$bgColor: #8BBDF7; | |
$bgShade: shade($bgColor, 12%); | |
$overhang: -1px; | |
$width: 6.5em; | |
position: absolute; | |
z-index: 50; | |
top: $overhang; | |
left: $overhang; | |
width: $width; | |
height: $width; | |
overflow: hidden; | |
span { | |
@include _rotate(-45deg); | |
@include background(linear-gradient(left, $bgShade, $bgColor, $bgShade)); | |
@include rem(font-size, 0.9rem); | |
@include box-shadow(0 1px 4px 0 rgba($black, 0.5)); | |
position: absolute; | |
background: $bgColor; | |
padding: $padding; | |
text-align: center; | |
font-weight: $font-weight-bold; | |
line-height: 1.5; | |
color: $white; | |
display: block; | |
width: 100% * $hypot; | |
bottom: 51%; | |
left: -21%; | |
} | |
.no-csstransforms & { | |
span { | |
left: -24%; | |
bottom: 90%; | |
border-bottom: 1px solid #888; | |
} | |
} | |
} | |
// Demo css | |
.box { | |
background: #ddd; | |
position: relative; | |
padding: 1em; | |
margin: 1em; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Not fully tested in IE yet, but the arbitrary rotation does work in IE8. Just need to adjust the math.