JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
    <head>
        <title>My Blog</title>
        <link href="https://fonts.googleapis.com/css?family=Handlee" rel="stylesheet">
    </head>
    
    <body>
        <!-- header start -->
        <div id="header" class="section">
            <img alt="" class="img-circle" src="https://icon-library.com/icon/avatar-icon-images-4.html">
            <p>Ali Alavi</p>
        </div>
        <!-- header end -->
        
        <!-- About Me section start -->
        <div class="section">
            <h1><span>About Me</span></h1>
            <p>
                Hey! I'm <strong>Ali</strong>. Coding has changed my world. It's not just about apps. Learning to code gave me <i>problem-solving skills</i> and a way to communicate with others on a technical level. I can also develop websites and use my coding skills to get a better job. And I learned it all at <strong>Sokanacademy</strong> where they build your self-esteem and keep you motivated. Join me in this rewarding journey. You'll have fun, get help, and learn along the way!
            </p>
            <p class="quote">"Declare variables, not war"</p>
        </div>
        <!-- About Me section end -->
        
        <!-- My Schedule section start -->
        <div class="section">
            <h1><span>My Coding Schedule</span></h1>
            <table>
                <tr>
                    <th>Day</th>
                    <th>Mon</th>
                    <th>Tue</th>
                    <th>Wed</th>
                    <th>Thu</th>
                    <th>Fri</th>
                </tr>
                <tr>
                    <td>8-8:30</td>
                    <td class="selected">Learn</td>
                    <td></td>
                    <td></td>
                    <td></td>
                    <td></td>
                </tr>
                <tr>
                    <td>9-10</td>
                    <td></td>
                    <td class="selected">Practice</td>
                   ...

CSS

html {
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Handlee', cursive;
    font-size: 13pt;
    background-color: #efefef;
    padding: 10px;
    margin: 0;
}
h1 {
    font-size: 15pt;
    color: #20bcd5;
    text-align: center;
    padding: 18px 0 18px 0;
    margin: 0 0 10px 0;
}
h1 span {
    border: 4px dashed #20bcd5;
    padding: 10px;
}
p {
    padding: 0;
    margin: 0;
}
.img-circle {
    border: 3px solid white;
    border-radius: 50%;
}
.section {
    background-color: #fff;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 10px;
}
#header {
    background-image: url("https://www.sololearn.com/Uploads/header.jpg");
    background-size: cover;
}
#header img {
    display: block;
    width: 80px;
    height: 80px;
    margin: auto;
}
#header p {
    font-size: 25pt;
    color: #3b464c;
    padding-top: 5px;
    margin: 0;
    font-weight: bold;
    text-align: center;
}
.quote {
    font-size: 12pt;
    text-align: right;
    margin-top: 10px;
}
table {
    width: 100%;
}
table, th, td {
    border: 2px solid #cecece;
    border-collapse: collapse;
    text-align: center;
    table-layout: fixed;
}
.selected {
    background-color: #f36f48;
    font-weight: bold;
    color: white;
}
li {
    margin-bottom: 15px;
    font-weight: bold;
}
progress {
    width: 70%;
    height: 20px;
    color: #3fb6b2;
    background: #efefef;
}
progress::-webkit-progress-bar {
    background: #efefef;
}
progress::-webkit-progress-value {
    background: #3fb6b2;
} 
progress::-moz-progress-bar {
    color: #3fb6b2;
    background: #efefef;
}
iframe, audio {
    display: block;
    margin: 0 auto;
    border: 3px solid #3fb6b2;
}
hr {
    border: 0;
    height: 1px;
    background: #f36f48;
}
form {
    text-align: center;
    margin-top: 0;
}
.submit {
    background-color: #3fb6b2;
    padding: 12px 45px;
    border-radius: 5px;
    cursor: pointer;
    color: #ffffff;
    border: none;
    outline: none;
    margin: 0;
    font-weight:...

JavaScript

// no JS