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A Sass mixin to create arrow boxes (similar to tooltips) borrowing from http://cssarrowplease.com, I created the following:
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//Setting the initial border color to be red | |
$red: #9d261d; | |
//this mixin will set the box-shadow values. It will also allow for the felxibility of | |
//doing an inset shadow. | |
@mixin box-shadow ($isInset: false, $hOffset: 0, $vOffset: 0, $blur: 0, $spread: 0, $color: #ccc) { | |
@if $isInset { | |
-moz-box-shadow: inset $hOffset $vOffset $blur $spread $color; | |
-webkit-box-shadow: inset $hOffset $vOffset $blur $spread $color; | |
box-shadow: inset $hOffset $vOffset $blur $spread $color; | |
} @else { | |
-moz-box-shadow: $hOffset $vOffset $blur $spread $color; | |
-webkit-box-shadow: $hOffset $vOffset $blur $spread $color; | |
box-shadow: $hOffset $vOffset $blur $spread $color; | |
} | |
} | |
//==|== CSS Arrows mixin ===================================================== | |
// For more information on mixins go here: | |
// http://sass-lang.com/#mixins | |
// or here: | |
// http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#mixins | |
// Author: Kianosh Pourian | |
// TODO add the ability to change the position of the arrow from | |
// the middle of the box to near the bottom or top corners | |
//========================================================================== | |
@mixin arrow-box($arrow-box-name, | |
$arrow-size: 5px, | |
$bg-color: white, | |
$border-width: 2px, | |
$border-color: $red, | |
$arrow-box-min-width: 200px, | |
$arrow-box-min-height: 30px, | |
$arrow-box-padding: 5px, | |
$arrow-box-element-position: relative) | |
{ | |
.#{$arrow-box-name} { | |
position: $arrow-box-element-position; | |
background: $bg-color; | |
border: $border-width solid $border-color; | |
min-width: $arrow-box-min-width; | |
width: auto; | |
min-height: $arrow-box-min-height; | |
height: auto; | |
padding: $arrow-box-padding; | |
} | |
%arrow-props { | |
border: solid transparent; | |
content: " "; | |
height: 0; | |
width: 0; | |
position: absolute; | |
pointer-events: none; | |
} | |
//Creating a style to add the arrow in all directions | |
//this will add flexibility, if the arrow direction needs to be | |
//changed. | |
$directions: left right top bottom; | |
@each $direction in $directions { | |
$border-position: "right"; | |
$margin-position: "top"; | |
@if $direction == "right" { | |
$border-position: "left"; | |
$margin-position: "top"; | |
} | |
@else if $direction == "top" { | |
$border-position: "bottom"; | |
$margin-position: "left"; | |
} | |
@else if $direction == "bottom" { | |
$border-position: "top"; | |
$margin-position: "left"; | |
} | |
.#{$arrow-box-name}-#{$direction}:after, .#{$arrow-box-name}-#{$direction}:before { | |
@extend %arrow-props; | |
#{$border-position}: 100%; | |
} | |
.#{$arrow-box-name}-#{$direction}:after { | |
border-color: rgba(red($bg-color), green($bg-color), blue($bg-color), 0); | |
border-#{$border-position}-color: $bg-color; | |
border-width: $arrow-size; | |
#{$margin-position}: 50%; | |
margin-#{$margin-position}: $arrow-size * -1; | |
} | |
.#{$arrow-box-name}-#{$direction}:before { | |
border-color: rgba(red($bg-color), green($bg-color), blue($bg-color), 0); | |
border-#{$border-position}-color: $border-color; | |
border-width: $border-width + $arrow-size + 1; | |
#{$margin-position}: 50%; | |
margin-#{$margin-position}: ($border-width + $arrow-size + 1) * -1; | |
} | |
} | |
} | |
@include arrow-box(demo-arrow-box); |
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