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HTML 
<div id='popup'>We tell you what the weatherman won't, and give you real-time and forecast details that reflect the true feel outside. Provides alerts for heat index, wind chill, UV, and more, based on advanced meteorological science.</div>
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<div id='user'>I am a user. Move your mouse over me</div>
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<div id='popup'>We tell you what the weatherman won't, and give you real-time and forecast details that reflect the true feel outside. Provides alerts for heat index, wind chill, UV, and more, based on advanced meteorological science.</div>
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<div>I a piece of useless information. No use hovering over me.</div>
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    JavaScript 
        $('#popup').show();
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    $('#user').hover(function() {
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        $('#popup').show();
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    }, function() {
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        $('#popup').hide();
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    });
     
     
    CSS 
    #popup {
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    #popup {
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        height: 50px;
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        width: 200px;
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        text-align: center;
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        vertical-align:middle;
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        background-color: cornflowerblue;
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        color: white;
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        display: none;
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        padding-top: 8px;
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        position: absolute;
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    }
     
     
    Result