如何为网站创建响应式模态注册表单？

按照步骤使用 CSS 创建响应式注册表单。
第 1 步：添加 HTML
使用“表单”元素处理输入。然后为每个字段添加输入（带有匹配的标签）
第 2 步：添加 CSS
添加所需的 CSS 来设计登录页面，尽量保持设计简单。
输入：

html

 

 
    
Signup Form
    
    

        

            Email
            
 
            Password
            
 
            Repeat Password
            
             Remember me
            
To create an account you have to agree our Terms & Privacy.
 
            

                Cancel
                Sign Up
            
        
    
 

 

输出：

按照步骤创建响应式模态注册页面
第 1 步：添加 HTML。
使用“表单”元素来处理输入。然后为每个字段添加输入（带有匹配的标签）。
第 2 步：添加 CSS。
使用与上述示例相同的 CSS 并进行某些 Modal 修改：
输入：

html

    /*add full-width input fields*/
    input[type=text],
    input[type=password] {
        width: 100%;
        padding: 12px 20px;
        margin: 8px 0;
        display: inline-block;
        border: 2px solid #ccc;
        box-sizing: border-box;
    }
    /* set a style for all buttons*/
    button {
        background-color: green;
        color: white;
        padding: 14px 20px;
        margin: 8px 0;
        cursor: pointer;
        width: 100%;
    }
    /*set styles for the cancel button*/
    .cancelbtn {
        padding: 14px 20px;
        background-color: #FF2E00;
    }
    /*float cancel and signup buttons and add an equal width*/
    .cancelbtn,
    .signupbtn {
        float: left;
        width: 50%
    }
    /*add padding to container elements*/
    .container {
        padding: 16px;
    }
    /*define the modal’s background*/
     
    .modal {
        display: none;
        position: fixed;
        z-index: 1;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgb(0, 0, 0);
        background-color: rgba(0, 0, 0, 0.4);
        padding-top: 60px;
    }
    /*define the modal-content background*/
     
    .modal-content {
        background-color: #fefefe;
        margin: 5% auto 15% auto;
        border: 1px solid #888;
        width: 80%;
    }
    /*define the close button*/
     
    .close {
        position: absolute;
        right: 35px;
        top: 15px;
        color: #000;
        font-size: 40px;
        font-weight: bold;
    }
    /*define the close hover and focus effects*/
     
    .close:hover,
    .close:focus {
        color: red;
        cursor: pointer;
    }
     
    .clearfix::after {
        content: "";
        clear: both;
        display: table;
    }
     
    @media screen and (max-width: 300px) {
        .cancelbtn,
        .signupbtn {
            width: 100%;
        }
    }

 

 
    Modal Signup Form
    
    Sign Up
 
    
        ×
        
            
                Email
                
 
                Password
                
 
                Repeat Password
                
                 Remember me
                By creating an account you agree to our Terms & Privacy.
 
                
                    Cancel
                    Sign Up
                
            
        
    
 
    
    
        var modal = document.getElementById('id01');
 
        window.onclick = function(event) {
            if (event.target == modal) {
                modal.style.display = "none";
            }
        }
    
 

 

输出：