<body class="body" id="body">
    <div class="test1">test1</div>
    <div class="test2">test2</div>
    <div id="test3" style="color:blue">
        test3
    </div>
</body>
.test1{
  color:red;
}
.test1{
  color:blue;
}

.test2{
  color:red!important;
}
.test2{
  color:blue;
}

#test3{
  color:red;
}

External CSS

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External JavaScript

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