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<h2><p>ROUTERA</h2></p>
<p>DPP (डेली प्रैक्टिस प्रॉब्लम) MATHEMATICS गणित,&nbsp;&nbsp;PHYSICS भौतिकी,&nbsp;&nbsp;&nbsp;CHEMISTRY रसायन विज्ञान</p>

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  <button class="tablinks" onclick="openCity(event, 'S3')">CHEMISTRY रसायन विज्ञान</button>
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<div id="S1" class="tabcontent">
  <h3>MATHEMATICS गणित</h3>
  <p>
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 <center>
<h2>CLICK TO STSRT</h2>

<button class="button" onclick="window.location.href= 'mathchadpp.html';">Chapter wise <br />  अध्याय वार</button>
<br><br>
    
<button class="button" onclick="window.location.href= 'mathsecdpp.html';">Section wise अनुभाग वार</button>
<br><br>
       
<button class="button" onclick="window.location.href= 'mathfulldpp.html';">Full syllabus पूरा सिलेबस</button>

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  </p>

</div>

<div id="S2" class="tabcontent">
  <h3>PHYSICS भौतिकी</h3>
  <p>
  <!DOCTYPE html>
<html>
<head>
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<style>
.button {
  position: relative;
  background-color: #4CAF50;
  border: none;
  font-size: 28px;
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  padding: 20px;
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  position: absolute;
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  margin-top: -120%;
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.button:active:after {
  padding: 0;
  margin: 0;
  opacity: 1;
  transition: 0s
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</style>
</head>
<body>

 <center>
<h2>CLICK TO STSRT</h2>

<button class="button" onclick="window.location.href= 'phychadpp.html';">Chapter wise <br />  अध्याय वार</button>
<br><br>
    
<button class="button" onclick="window.location.href= 'physecdpp.html';">Section wise अनुभाग वार</button>
<br><br>
       
<button class="button" onclick="window.location.href= 'phyfulldpp.html';">Full syllabus पूरा सिलेबस</button>

   </center>
</body>
</html>
  </p> 
</div>

<div id="S3" class="tabcontent">
  <h3>CHEMISTRY रसायन विज्ञान</h3>
  <p>
  <!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.button {
  position: relative;
  background-color: #4CAF50;
  border: none;
  font-size: 28px;
  color: #FFFFFF;
  padding: 20px;
  width: 200px;
  text-align: center;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
  text-decoration: none;
  overflow: hidden;
  cursor: pointer;
}

.button:after {
  content: "";
  background: #90EE90;
  display: block;
  position: absolute;
  padding-top: 300%;
  padding-left: 350%;
  margin-left: -20px!important;
  margin-top: -120%;
  opacity: 0;
  transition: all 0.8s
}

.button:active:after {
  padding: 0;
  margin: 0;
  opacity: 1;
  transition: 0s
}
</style>
</head>
<body>

 <center>
<h2>CLICK TO STSRT</h2>

<button class="button" onclick="window.location.href= 'chechadpp.html';">Chapter wise <br />  अध्याय वार</button>
<br><br>
    
<button class="button" onclick="window.location.href= 'chesecdpp.html';">Section wise अनुभाग वार</button>
<br><br>
       
<button class="button" onclick="window.location.href= 'chefulldpp.html';">Full syllabus पूरा सिलेबस</button>

   </center>
</body>
</html>
  </p>
</div>
 
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