本文主要講述HTML常用例項，如需HTML和CSS基礎請到菜鳥教程自己補習。

一、最終呈現效果

二、html程式碼

<div class="login">
    <a href="#" class="choose left">賬號登入</a>
    <span style="color: #e0e0e0">|</span>
    <a href="#" class="choose right">掃碼登入</a>
    <form>
        <input type="text" placeholder="郵箱/手機號/小米賬號" id="login-text">
        <input type="password" placeholder="密碼" id="login-pwd">
        <input type="submit" value="登入" id="login-sub">
    </form>
    <span class="forget">
        <a href="#">註冊小米賬號</a>
        <span>|</span>
        <a href="#">忘記密碼?</a></span>
    <fieldset>
        <legend>其他方式登入</legend>
    </fieldset>
    <div class="icon">
        <a href="#" class="qq"></a>
        <a href="#" class="weibo"></a>
        <a href="#" class="pay"></a>
        <a href="#" class="wechat"></a>
    </div>
</div>
 

3、css程式碼

/* ----------元素位置佈局---------- */
* {
    margin: 0;
    padding: 0;
}

.login {
    width: 400px;
    height: 500px;
    box-shadow: 0 0 15px 3px rgba(51, 51, 51, 0.53);
    margin: 20px auto 0 auto;
    /* border: 1px solid aqua; */
    text-align: center;
}

#login-text,
#login-pwd {
    width: 350px;
    height: 30px;
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
}

#login-sub {
    width: 364px;
    height: 30px;
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
}

/* ----------樣式設計---------- */
a {
    color: black;
    text-decoration: none;
}

.choose {
    display: inline-block;
    margin-top: 30px;
    font-size: 22px;
}

.left {
    color: #f56600;
    margin-right: 15px;
}

.right {
    margin-left: 15px;
}

#login-text,
#login-pwd {
    padding: 8px 5px;
    font-size: 16px;
    /* box-sizing: border-box; */
    outline: none;;
}

#login-text {
    margin-top: 35px;
}

#login-pwd {
    margin-top: 15px;
}

#login-sub {
    height: 50px;
    margin-top: 15px;
    border: none;
    outline: none;
    font-size: 20px;
    background-color: #f56600;
    color: white;
}

.forget {
    display: inline-block;
    margin-top: 15px;
    font-size: 13px;
    color: #e0e0e0;
}

.forget a {
    color: #999;
}

.forget a:hover {
    text-decoration: underline;
}

fieldset {
    display: inline-block;
    width: 364px;
    margin-top: 80px;
    color: #999;
    border: none;
    border-top: 1px solid #999
}

/* ------------icon---------- */

.icon {
    margin: 30px auto;
}

.qq,.weibo,.pay,.wechat {
    width: 18px;
    height: 18px;
    display: inline-block;
    margin: 0 20px;
    border-radius: 50%;
    background: gray url("images/icons_type.png");
}

.qq {
    background-position-x: -19px;
}

.weibo {
    background-position-x: -38px;
}

.pay {
    background-position-x: -59px;
}

.wechat {
    background-position-x: -87px;
}

.qq:hover,
.weibo:hover,
.pay:hover,
.wechat:hover{
    background-color: black;
}
 

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