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Responsive Web Design

When we go through a website it is not respond for devices' screen size it become major problem for the user and failure for the server.So that when a website is response for a screen size it is called responsive web design and it become success for all.
Features as follows
1.Media queries
css uses media queries to adapt a website content in a diiferent manner.
          @media only screen and (max-width: 480px){
          .page-title {
           width: 270px;
           }
           }
2.Range
It is used to target the specified screen size by setting multiple size.
            @media only screen and (min-width: 320px) and (max-                    width: 480px) , (orientation: portrait) {
           .gallery-item .thumbnail {
                                                                  width: 95%;
                                                                   }
                                                                   }
3.Dots Per Inch
It target the resolution of the image and video.
4.Breaking points
Instances where rules were broken.
eg: by observing dimension.
Simple key what is responsive web design

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