cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

Quick-add: + add another resource

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

Quick-add: + add another resource

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              <header class="c-header"><h1>A Single SASS @mixin for Creating CSS Arrows</h1></header>

<div class="c-box c-box--arrow-top">
  This box has a top arrow.
</div>

<div class="c-box c-box--arrow-right">
  This box has a right arrow.
</div>

<div class="c-box c-box--arrow-bottom">
  This box has a bottom arrow.
</div>

<div class="c-box c-box--arrow-left">
  This box has a left arrow.
</div>

<footer class="c-footer">
<a class="c-btn" href="https://gist.github.com/jondaiello/a0cc2dbf8994ff757e4ac13bb8168969" target="_blank">Grab the Gist</a>
</footer>
            
          
!
            
              /* This mixin is for generating CSS arrows on a box */
@mixin box-arrow($arrowDirection, $arrowColor, $arrowSize: 10px) {
  position: relative;
  z-index: 10;

  &::after {
    content: '';
    width: 0;
    height: 0;
    display: block;
    position: absolute;
    z-index: 10;
    border: 0;

    @if $arrowDirection == bottom or $arrowDirection == top {
      border-left: $arrowSize solid transparent;
      border-right: $arrowSize solid transparent;
      margin-left: -$arrowSize;
      left: 50%;

      @if $arrowDirection == bottom {
        border-top: $arrowSize solid $arrowColor;
        bottom: -$arrowSize;
      }

      @if $arrowDirection == top {
        border-bottom: $arrowSize solid $arrowColor;
        top: -$arrowSize;
      }
    }

    @if $arrowDirection == left or $arrowDirection == right {
      border-top: $arrowSize solid transparent;
      border-bottom: $arrowSize solid transparent;
      margin-top: -$arrowSize;
      top: 50%;

      @if $arrowDirection == left {
        border-right: $arrowSize solid $arrowColor;
        left: -$arrowSize;
      }

      @if $arrowDirection == right {
        border-left: $arrowSize solid $arrowColor;
        left: auto;
        right: -$arrowSize;
      }
    }
  }
}

// set some variables to reuse

$boxbkg: #587b7f;
$bodybkg: #f9f6ef;
$btncolor: #d87517;

body {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  padding: 5vmin;
  margin: 0;
  font-family: 'Source Sans Pro', sans-serif;
  background: $bodybkg;
}

.c-header {
  width: 100%;
  text-align: center;
  font-size: calc(100% + 1vmin);
  
  h1 {
    font-weight: 700;
    color: #333;
  }
}

.c-box {
  background: $boxbkg;
  font-size: 150%;
  text-align: center;
  color: #fff;
  flex-basis: 30%;
  padding: 5vmin;
  margin: 5vmin;
  
  &--arrow-top {
    @include box-arrow(top, $boxbkg);  
  }
  
  &--arrow-right {
    @include box-arrow(right, $boxbkg);  
  }
  
  &--arrow-bottom {
    @include box-arrow(bottom, $boxbkg);  
  }
  
  &--arrow-left {
    @include box-arrow(left, $boxbkg);  
  }
}

.c-footer {
  width: 100%;
  text-align: center;
}

.c-btn {
  background: $btncolor;
  display: inline-block;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .75em 1.5em .85em;
  font-size: 120%;
  line-height: 140%;
  border-radius: 2px;
  border: 3px solid $btncolor;
  box-shadow: 0 4px 0 0 rgba(0,0,0,.1);
  transition: .2s all ease-out;
  
  &:hover {
    color: $btncolor;
    background: #fff;
    box-shadow: 0 6px 0 0 rgba(0,0,0,.2);
    border: 3px solid $btncolor;
  }
}
            
          
!
999px
Loading ..................

Console