Dưới đây là mã nguồn để tạo form đăng nhập responsive, có avatar, checkbox remember me, link quên mật khẩu bằng 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; } @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>
Kết quả
Mã này sẽ cho ra kết quả như sau:
