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HTML

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About the <head>

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CSS

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CSS Base

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                <!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style media="screen">
  @import url('https://fonts.googleapis.com/css2?family=Amatic+SC&display=swap');

* {
  box-sizing: border-box;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90vh;
  background: #0a9c93;
  font-family: sans-serif;
}
.container{
  background: white;
  border-radius: 7px;
  width: 400px;
  padding: 15px;
}
h1 {
  font-size: 2rem;
  color: #3d353d;
}

#weekday {
  font-size: 2.3rem;
  color: #0650ac;
  text-transform: uppercase;
  font-weight: 800;
  text-align: center;

}

#quote {
  font-size: 1.8rem;
  color: #133030;
  margin-top: 20px;
  text-align: center;
}
  </style>
</head>
<body>
  <div class="container">
              <h1>Today is : </h1>
              <div class="weekday">
                  <div class="" id="weekday">
                      Display Day of The Week.
                  </div>

                  <div id="quote">Display a quote</div>
              </div>
          </div>
<script type="text/javascript">
let date = new Date();
let dayNumber = date.getDay();
let theDayIs;
let quote;

switch(dayNumber){
    case 0:
        theDayIs = 'Sunday';
        quote = 'Time to chillax!';
        break;
    case 1:
        theDayIs = 'Monday';
        quote = 'Monday morning blues!';
        break;
    case 2:
        theDayIs = 'Tuesday';
        quote = 'Taco Time!';
        break;
    case 3:
        theDayIs = 'Wednesday';
        quote = 'Two more days to the weekend.';
        break;
    case 4:
        theDayIs = 'Thursday';
        quote = 'The weekend is almost here...';
        break;
    case 5:
        theDayIs = 'Friday';
        quote = 'Weekend is here!';
        break;
    case 6:
        theDayIs = 'Saturday';
        quote = 'Time to party 🎉';
        break;
}

let spanOfWeekday = document.getElementById("weekday");
spanOfWeekday.innerHTML = `${theDayIs}`;

let spanOfQuote = document.getElementById("quote");
spanOfQuote.innerHTML = `${quote}`;
</script>
</body>
</html>
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