prof3ssorSt3v3 · November 18, 2017 17:19
diff --git a/forms.html b/forms.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <title>Working with HTML Forms</title>
    <meta name="viewport" content="width=device-width">
    <style>
        *,
        *::after,
        *:before{
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }
        html{
            font:normal 20px/1.5 sans-serif;
        }
        h1{
            margin: 1rem 2rem;
        }
        form{
            margin: 2rem;
            width: 800px;
        }
        .form-box{
            padding: 1rem;
            clear: both;
            width: 100%;
            position: relative;
        }
        .form-box label{
            font-size: 1rem;
            float: left;
            width: 100px;
            margin-right: 20px;
        }
        .form-box input{
            font-size: 1rem;
            width: 300px;
            padding: 0.25rem 1rem;
        }
        .form-box select{
            font-size: 1rem;
            width: 300px;
            padding: 0.25rem 1rem;
        }
        .form-box option{
            font-size: 1rem;
            width: 300px;
            padding: 0.25rem 1rem;
        }
        .form-box input[type="checkbox"]{
            font-size: 1rem;
        }
        .form-box button{
            font-size: 1rem;
            border: none;
            padding: 0.25rem 2rem;
            margin-right: 1rem;
            color: white;
            background-color: cornflowerblue;
            cursor: pointer;
        }
        
        .error::after{
            background-color: hsl(10, 60%, 50%);
            color: papayawhip;
            font-size: 1rem;
            line-height: 1.8;
            width: 350px;
            padding-left: 1rem;
            position:absolute;
            right: 0;
            content: attr(data-errormsg);
        }
    </style>
 </head>
 <body>
    <h1>JavaScript and HTML Forms</h1>
    
    <form id="form-user" action="#" method="post">
        <div class="form-box error" data-errormsg="">
            <label for="input-first">First</label>
            <input type="text" id="input-first" autofocus placeholder="First Name" tabindex="1"/>
        </div>
        <div class="form-box" data-errormsg="">
            <label for="input-password">Password</label>
            <input type="password" id="input-password" required placeholder="Password" tabindex="2" />
        </div>
        <div class="form-box" data-errormsg="">
            <label for="input-email">E-mail</label>
            <input type="email" id="input-email" required placeholder="E-mail Address" tabindex="3" />
        </div>
        <div class="form-box" data-errormsg="">
            <label for="input-age">Age</label>
            <select id="input-age" tabindex="4">
                <option value="0">Under 20</option>
                <option value="1">20-30</option>
                <option value="2">30-40</option>
                <option value="3">40-50</option>
                <option value="4">Over 50</option>
            </select>
        </div>
        <div class="form-box" data-errormsg="">
            <label for="input-alive">Alive?</label>
            <input type="checkbox" id="input-alive" value="yes" tabindex="5" checked />
        </div>
        <div class="form-box">
            <button id="button-cancel">Cancel</button>
            <button id="button-send">Send</button>
        </div>
    </form>
    
    <script src="./forms.js"></script>
 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Working with HTML Forms</title>
	<meta name="viewport" content="width=device-width">
	<style>
	*,
	*::after,
	*:before{
	padding: 0;
	margin: 0;
	box-sizing: border-box;
	}
	html{
	font:normal 20px/1.5 sans-serif;
	}
	h1{
	margin: 1rem 2rem;
	}
	form{
	margin: 2rem;
	width: 800px;
	}
	.form-box{
	padding: 1rem;
	clear: both;
	width: 100%;
	position: relative;
	}
	.form-box label{
	font-size: 1rem;
	float: left;
	width: 100px;
	margin-right: 20px;
	}
	.form-box input{
	font-size: 1rem;
	width: 300px;
	padding: 0.25rem 1rem;
	}
	.form-box select{
	font-size: 1rem;
	width: 300px;
	padding: 0.25rem 1rem;
	}
	.form-box option{
	font-size: 1rem;
	width: 300px;
	padding: 0.25rem 1rem;
	}
	.form-box input[type="checkbox"]{
	font-size: 1rem;
	}
	.form-box button{
	font-size: 1rem;
	border: none;
	padding: 0.25rem 2rem;
	margin-right: 1rem;
	color: white;
	background-color: cornflowerblue;
	cursor: pointer;
	}

	.error::after{
	background-color: hsl(10, 60%, 50%);
	color: papayawhip;
	font-size: 1rem;
	line-height: 1.8;
	width: 350px;
	padding-left: 1rem;
	position:absolute;
	right: 0;
	content: attr(data-errormsg);
	}
	</style>
	</head>
	<body>
	<h1>JavaScript and HTML Forms</h1>

	<form id="form-user" action="#" method="post">
	<div class="form-box error" data-errormsg="">
	<label for="input-first">First</label>
	<input type="text" id="input-first" autofocus placeholder="First Name" tabindex="1"/>
	</div>
	<div class="form-box" data-errormsg="">
	<label for="input-password">Password</label>
	<input type="password" id="input-password" required placeholder="Password" tabindex="2" />
	</div>
	<div class="form-box" data-errormsg="">
	<label for="input-email">E-mail</label>
	<input type="email" id="input-email" required placeholder="E-mail Address" tabindex="3" />
	</div>
	<div class="form-box" data-errormsg="">
	<label for="input-age">Age</label>
	<select id="input-age" tabindex="4">
	<option value="0">Under 20</option>
	<option value="1">20-30</option>
	<option value="2">30-40</option>
	<option value="3">40-50</option>
	<option value="4">Over 50</option>
	</select>
	</div>
	<div class="form-box" data-errormsg="">
	<label for="input-alive">Alive?</label>
	<input type="checkbox" id="input-alive" value="yes" tabindex="5" checked />
	</div>
	<div class="form-box">
	<button id="button-cancel">Cancel</button>
	<button id="button-send">Send</button>
	</div>
	</form>

	<script src="./forms.js"></script>
	</body>
	</html>