{% block body %} {% if session['logged_in'] %} You're logged in already! <a href="/logout">Logout</a>. {% else %} <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" /> <p>{{ get_flashed_messages()[0] | safe }}</p> <style> .container{ background-color: #FFFFFF; width: 400px; height: 500px; margin: 7em auto; border-radius: 1.5em; box-shadow: 0px 11px 35px 2px rgba(0, 0, 0, 0.14); } .signin-heading{ padding-top: 5px; color: #8C55AA; font-family: 'Ubuntu', sans-serif; font-weight: bold; font-size: 23px; text-align: center; } .username,.password, .re-password{ width: 76%; color: rgb(38, 50, 56); font-weight: 700; font-size: 14px; letter-spacing: 1px; background: rgba(136, 126, 126, 0.04); padding: 10px 20px; border: none; border-radius: 20px; outline: none; box-sizing: border-box; border: 2px solid rgba(124, 16, 97, 0.02); margin-bottom: 50px; margin-left: 46px; text-align: center; margin-bottom: 27px; font-family: 'Ubuntu', sans-serif; } .btn{ width: 50%; border: none; border-radius: 20px; box-sizing: border-box; border: 2px solid #8C55AA; margin-bottom: 50px; margin-left: 90px; padding: 10px 20px; } .btn:hover{ background: #8C55AA; transition: .5s; cursor: pointer; color: #fff; } .signup{ display: flex; justify-content: center; align-items: center; } ul{ position: absolute; display: flex; left: 65%; } li{ padding: 10px; margin: 10px; } a{ text-decoration: none; list-style: none; font-weight: bold; font-family: 'ink free'; } .main_menu a{ color: #fff; font-size: 300; } li :hover{ color: #8C55AA; transition: .5s; } h1{ font-family: 'ink free'; } .main_menu h1{ color: #fff; } </style> <div class="container"> <section class="signin-heading"> <h1>Sign Up</h1> </section> <form action="/signup" method="POST"> <p><input type="username" name="username" placeholder="输入用户名" required="required" class="username"></p> <p><input type="password" name="password" placeholder="输入密码" class="password"></p> <p><input type="password" name="password2" placeholder="确认密码" class="password"></p> <button type="submit" class="btn">注册</button> </form> {% endif %} {% endblock %}