Sau đây là mã để tạo biểu mẫu đăng nhập đáp ứng với CSS -
Ví dụ
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
body {
font-family: Arial, Helvetica, sans-serif;
background-color: rgb(189, 189, 255);
}
form {
border: 3px solid #f1f1f1;
background-color: rgb(228, 228, 228);
margin: 20px;
}
h1 {
text-align: center;
}
input[type="text"],
input[type="password"] {
width: 100%;
padding: 12px 20px;
margin: 8px 0;
display: inline-block;
border: 1px solid #ccc;
box-sizing: border-box;
font-size: 30px;
}
label {
font-size: 30px;
}
button {
font-weight: bold;
font-family: monospace, sans-serif, serif;
font-size: 25px;
background-color: #4caf50;
color: white;
padding: 14px 20px;
margin: 8px 0;
border: none;
cursor: pointer;
width: 100%;
}
button:hover {
opacity: 0.8;
}
.cancelbtn {
width: auto;
padding: 10px 18px;
background-color: #f44336;
}
.profilePic {
text-align: center;
margin: 24px 0 12px 0;
}
img.avatar {
width: 200px;
height: 200px;
border-radius: 50%;
}
.formFields {
padding: 16px;
}
span.pass {
float: right;
padding-top: 16px;
}
/* Change styles for span and cancel button on extra small screens */
@media screen and (max-width: 300px) {
span.pass {
display: block;
float: none;
}
.cancelbtn {
width: 100%;
}
}
</style>
</head>
<body>
<h1>Responsive Login Form Example</h1>
<form>
<div class="profilePic">
<img
src="https://cdn.pixabay.com/photo/2016/08/08/09/17/avatar-
1577909_960_720.png"
alt="Avatar"
class="avatar"/>
</div>
<div class="formFields">
<label for="uname"><b>Username</b></label>
<input type="text" placeholder="Enter Username" name="uname" required />
<label for="pass"><b>Password</b></label>
<input
type="password"
placeholder="Enter Password"
name="pass"
required/>
<button type="submit">Login</button>
<label>
<input type="checkbox" checked="checked" name="remember" /> Remember me
</label>
</div>
<div class="formFields" style="background-color:#f1f1f1">
<button type="button" class="cancelbtn">Cancel</button>
<span class="pass">Forgot <a href="#">password?</a></span>
</div>
</form>
</body>
</html> Đầu ra
Điều này sẽ tạo ra kết quả sau -
