title: Sizes for Responsive website Design
body: <p>i want to design a web site.but tell me what are the sizes i can use for responsive website design. 
  that sizes must contain for mobile,tablets,pcs and other devices..</p>
  
  <p>i want to use them in media queries.. :D</p>
  
  <p>EX for Mobile: </p>
  
  <pre><code>    @media only screen and (min-width: 500px) {
  
      } 
  </code></pre>
  
  <p>EX for Tablet: </p>
  
  <pre><code>    @media only screen and (min-width: 800px) {
  
      } 
  </code></pre>
  
  <p><em><strong>Give me some resources that you have about responsive website design and about the sizes which i can use for responsive website design .. :D</em></strong></p>
  
  <p><strong>like that i want to know what are the reals sizes for these devices that i can use. :D</strong></p>