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HTML

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HTML preprocessors can make writing HTML more powerful or convenient. For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug.

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Adding Classes

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About the <head>

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Insecure Resource

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CSS

About CSS Preprocessors

CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

It's a common practice to apply CSS to a page that styles elements such that they are consistent across all browsers. We offer two of the most popular choices: normalize.css and a reset. Or, choose Neither and nothing will be applied.

Vendor Prefixing

About Vendor Prefixing

To get the best cross-browser support, it is a common practice to apply vendor prefixes to CSS properties and values that require them to work. For instance -webkit- or -moz-.

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JavaScript

About JavaScript Preprocessors

JavaScript preprocessors can help make authoring JavaScript easier and more convenient.

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Babel includes JSX processing.

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HTML 

              
                <div class="post_photo">
	    <div class="new_bg">
	    	<span class="new">New</span>
	    </div>
	    <img src="http://puzzle-sample.com/images/flex.jpg" alt="sample" />
	</div>

	<div class="post_photo_se">
	    <div class="new_bg">
	    	<span class="new">New</span>
	    </div>
	    <img src="http://puzzle-sample.com/images/flex.jpg" alt="sample" />
	</div>

	<div class="post_photo_th">
	    <div class="new_bg">
	    	<span class="new">New</span>
	    </div>
	    <img src="http://puzzle-sample.com/images/flex.jpg" alt="sample" />
	</div>

	<div class="post_photo_four">
	  <span class="new_fo">NEW!</span>
	  <img src="http://puzzle-sample.com/images/flex.jpg" alt="sample" />
	</div>

	<div class="ribbon_new">
	  <div class="new_area">
	    <span class="new_fi">NEW</span>
	  </div>
	    <img src="http://puzzle-sample.com/images/flex.jpg" alt="sample" />
    </div>

    <div class="ribbon_new_sec">
	  <span class="new_area_sec">NEW</span>
	  <div>
	    <img src="http://puzzle-sample.com/images/flex.jpg" alt="sample" />
	  </div>
    </div>
!

CSS 

              
                *, *:after, *:before {
			-webkit-box-sizing:
			border-box;
			-moz-box-sizing:
			border-box;
			box-sizing:
			border-box;
			
		}
body, html { 
			font-size: 100%;
		    padding: 0;
		    margin: 0;
		    font-family: "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
		}
img{
	margin: 0;
	padding: 0;
	vertical-align:bottom;
}
		.post_photo{
			width: 370px;
			margin: 100px auto;
			padding: 0;
			position: relative;
		}
		.post_photo img{
			position: relative;
			z-index: 1;
		}
		.post_photo .new_bg{
			position: absolute;
			top: 0;
            left: 0;
            z-index: 2;
		}
		.post_photo .new_bg::before{
			content: "";
			position: absolute;
			top: 0;
			left: 0;
			width: 0;
			height: 0;
			border-style: solid;
			border-width: 80px 80px 0 0;
			border-color: #007bff transparent transparent transparent;
			filter:alpha(opacity=50);
            -moz-opacity: 0.5;
            opacity: 0.5;
		}
		.post_photo .new_bg .new{
			position: absolute;
			top: 15px;
            left: 5px;
            z-index: 3;
            color: #fff;
            transform: rotate(-45deg);
		}
		


		.post_photo_se{
			width: 370px;
			margin: 100px auto;
			padding: 0;
			position: relative;
		}
		.post_photo_se img{
			position: relative;
			z-index: 1;
		}
		.post_photo_se .new_bg{
			position: absolute;
			top: 0;
            left: 0;
            z-index: 2;
		}
		.post_photo_se .new_bg::before{
			content: "";
			position: absolute;
			top: 0;
			left: 0;
			width: 0;
			height: 0;
			border-style: solid;
			border-width: 80px 80px 0 0;
			border-color: #007bff transparent transparent transparent;
			filter:alpha(opacity=50);
            -moz-opacity: 0.5;
            opacity: 0.5;
		}
		.post_photo_se .new_bg::after{
			content: "";
			position: absolute;
			border: dashed 0px white;
			box-shadow: 0px 0px 0px 10px #007bff;
			filter:alpha(opacity=50);
            -moz-opacity: 0.5;
            opacity: 0.5;

		}
		.post_photo_se .new_bg .new{
			position: absolute;
			top: 15px;
      left: 5px;
      z-index: 3;
      color: #fff;
      transform: rotate(-45deg);
		}





		.post_photo_th{
			width: 370px;
			margin: 100px auto;
			padding: 0;
			position: relative;
		}
		.post_photo_th img{
			position: relative;
			z-index: 1;
		}
		.post_photo_th .new_bg{
			position: absolute;
			top: 0;
      left: 0;
      z-index: 2;
		}
		
		.post_photo_th .new_bg .new{
			position: absolute;
			top: 30px;
      left: 30px;
      z-index: 5;
      color: #fff;
            
            
		}
		.post_photo_th .new_bg .new::before{
			content: "";
			position: absolute;
			background: #007bff;
			width: 60px;
			height: 60px;
			border-radius: 50%;
			top: -18px;
      left: -15px;
			z-index: -1;
			filter:alpha(opacity=50);
            -moz-opacity: 0.5;
            opacity: 0.5;
		}
		





.post_photo_four {    
    display: block;
    position: relative;
    margin: 60px auto;
    padding: 0;
    width: 370px;
   
  }
.new_fo {
    display: inline-block;
    position: absolute;
    left: 0;
    top: 5px;
    box-sizing: border-box;
    padding: 0 12px;
    margin: 0;
    height: 30px;
    line-height: 30px;
    font-size: 18px;
    letter-spacing: 0.1em;
    color: #fff;
    background-color: rgba(20,124,237,0.8);
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.12);
   
}
.new_fo:before {
    position: absolute;
    content: '';
    top: 0;
    left: -7px;
    border: none;
    height: 38px;
    width: 7px;
    background-color: rgba(20,124,237,0.8);
    border-radius: 5px 0 0 5px;
   
}
.new_fo:after {
    position: absolute;
    content: '';
    bottom: -7px;
    left: -5px;
    border: none;
    height: 7px;
    width: 5px;
    background: #4d99ca;
    border-radius: 5px 0 0 5px;
}





.ribbon_new{
    display: block;
    position: relative;
    margin: 60px auto;
    padding: 0;
    width: 370px;
}

.new_area {
    position: absolute;
    top: 0;
    right: 0;
    width: 85px;
    height: 85px;
    overflow: hidden;
  }

.new_fi {
    display: inline-block;
    position: absolute;
    padding: 5px 0;
    left: -24px;
    top: 20px;
    width: 160px;
    text-align: center;
    font-size: 18px;
    line-height: 16px;
    background-color: rgba(20,124,237,0.8);
    color: #fff;
    letter-spacing: 0.05em;
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
    box-shadow: 0 0 0 2px rgba(20,124,237,0.8);
    border-top: dashed 1px rgba(255, 255, 255, 0.65);
    border-bottom: dashed 1px rgba(255, 255, 255, 0.65);
}





.ribbon_new_sec {    
    display: block;
    position: relative;
    margin: 60px auto;
    padding: 0;
    width: 370px;
    
   
  }

.new_area_sec {    
    display: inline-block;
    position: absolute;
    top: -6px;
    left: 10px;
    margin: 0;
    padding: 10px 0 7px;
    z-index: 2;
    width: 40px;
    text-align: center;
    color: white;
    font-size: 13px;
    background-color: rgba(20,124,237,0.8);
    border-radius: 2px 0 0 0;
  }

.new_area_sec:before{
    position: absolute;
    content: '';
    top: 0;
    right: -5px;
    border: none;
    border-bottom: solid 6px #4d99ca;
    border-right: solid 5px transparent;
}

.new_area_sec:after{
    content: '';
    position: absolute;
    left: 0;
    top: 100%;
    height: 0;
    width: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 10px solid rgba(20,124,237,0.8);
}
!

JS
!
999px

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