Single Element Pure CSS3 Double Fold Ribbon

<!-- Lets make a cool single element ribbon -->

<h1 contenteditable>Single Element - Pure CSS3 - Type here...</h1>

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<script src="http://thecodeplayer.com/uploads/js/prefixfree-1.0.7.js" type="text/javascript"></script>

<!-- You can download it from http://leaverou.github.com/prefixfree/ 

The demo still stays pure CSS3 :) You can manually write CSS for all browsers too.

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/*Basic reset*/

* {margin: 0; padding: 0;}

html, body {height: 100%;}

body {

    background: #B1E3E2;

    box-shadow: inset 0 0 100px 20px #80D0CF;

    text-align: center;

}

h1 {

    display: inline-block;

    font-size: 14px;

    line-height: 28px;

    color: #8699A0;

    text-shadow: 0 0 1px #758890;

    margin: 120px 0;

    font-family: arial, verdana;

    outline: none;

    padding: 14px 30px;

    position: relative;

    text-transform: uppercase;

    /*A little shadow for 3d effect*/

    /*Finally another shadow to negate some aspects of the :after element to complete the effect. This drops a shrinked shadow over the :after element with the same color like that of the background. The shadow is shrinked by the same offset amount = 18. And it is moved down by twice the offset amount to cover the entire height of the :after element*/

    box-shadow: 

        0 0 30px 0 rgba(0, 0, 0, 0.1), 

        0 36px 0 -18px #B1E3E2;

}

/*The ribbon ends*/

h1:before {

    content: '';

    position: absolute;

    top: 18px;

    left: -15%;

    z-index: -1;

    width: 130%;

    /*We will be using the triangle logic - 2 sided borders and 0 height. That will create negative triangles on the left and right*/

    height: 0;

    border: 28px solid rgba(0, 0, 0, 0);

    border-left: 28px solid #B1E3E2;

    border-right: 28px solid #B1E3E2;

    /*Same color as the container which is the body in this case*/

}

/*The after pseudo element will negatve the bottom part of the ribbon completing the effect*/

h1:after {

    content: '';

    width: 100%;

    height: 0;

    position: absolute;

    top: 100%; left: 0;

    z-index: -1;

    /*The height of the top border is same as width of the left/right borders for the smoothest effect. The height of the top border is also the same as the offset the :before element has from the top*/

    border-top: 18px solid #99acb2;

    border-left: 18px solid transparent;

    border-right: 18px solid transparent;

}

h1, h1:before {

    /*Some cool multi-background - we will use a combination of 4 backgrounds to create a cool effect*/

    background-image: 

        /*2 grey borders*/

        linear-gradient(

            transparent 8%, 

            rgba(0, 0, 0, 0.1) 8%, 

            rgba(0, 0, 0, 0.1) 14%, 

            transparent 14%, 

            transparent 86%, 

            rgba(0, 0, 0, 0.1) 86%, 

            rgba(0, 0, 0, 0.1) 92%, 

            transparent 92%

        ), 

        /*white gloss gradient*/

        linear-gradient(

            rgba(255, 255, 255, 0.75), 

            rgba(255, 255, 255, 0) 

        ), 

        /*thin stripes*/

        linear-gradient(

            45deg, 

            transparent 40%, 

            rgba(0, 0, 0, 0.1) 40%, 

            rgba(0, 0, 0, 0.1) 60%, 

            transparent 60%

        ), 

        /*white base*/

        linear-gradient(white, white); 

    background-size: 

        cover, /*borders*/

        cover, /*white gloss*/

        4px 4px, /*thin stripes*/

        cover; /*base white*/

}

h1, h1:before, h1:after {

    box-sizing: border-box;

    /*Fix to make the borders appear on the ribbon ends also*/

    background-origin: border-box;

}