简单登录界面

1、页面布局

<div class="login_box">
    <p>登录</p>
    <div class="login_name">
        <span class="login_icon">
            <i class="iconfont icon-xingmingyonghumingnicheng"></i>
        </span>
        <input type="text" placeholder="请输入用户名称">
    </div>
    <div class="login_pwd">
        <span class="pwd_icon">
            <i class="iconfont icon-mima"></i>
        </span>
        <input type="password" placeholder="请输入密码">
    </div>
    <div class="radio_box">
        <div class="input-radio">
            <input id="orange" type="radio" name="fruits" />
            <label for="orange">游客</label>
        </div>
        <div class="input-radio">
            <input id="strawberry" type="radio" name="fruits" />
            <label for="strawberry">用户</label>
        </div>
    </div>
    <div class="button">登录</div>
</div>
2.css样式
<style>
.radio_box {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.radio_box label {
    color: #666;
}

.radio_box span {
    margin-left: 10px;
}

.input-radio {
    margin: 1em 0;
    display: flex;
}

.input-radio input[type="radio"] {
    opacity: 0;
}

.input-radio input[type="radio"]+label {
    position: relative;
    cursor: pointer;
}

.input-radio input[type="radio"]+label::before {
    content: '';
    position: absolute;
    left: -24px;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    border: 1px solid #999;
}

.input-radio input[type="radio"]+label::after {
    content: '';
    position: absolute;
    left: -20px;
    top: 4px;
    border-radius: 50%;
    width: 12px;
    height: 12px;
}

.input-radio input[type="radio"]:checked+label::before {
    border: 1px solid #24B7E5;
    box-shadow: 0 0 6px #24B7E5;
    transition: all .3s;
}

.input-radio input[type="radio"]:checked+label::after {
    background: #24B7E5;
    transition: all .5s;
}

input[type="radio"]:focus+label::before {
    box-shadow: 0 0 .1em .1em #58a;
}

input[type="radio"]:disabled+label::before {
    background-color: #04BED4FF;
    box-shadow: none;
    color: #555;
}

.login_box {
    width: 300px;
    margin: 0 auto;
}

.login_box p {
    text-align: center;
    color: #666;
}

.login_name,
.login_pwd {
    width: 300px;
    background: rgb(229, 229, 229, .5);
    height: 40px;
    margin: 20px 0;
    padding: 0 10px;
    border-radius: 5px;
}

input {
    background: none;
    outline: none;
    border: none;
    height: 40px;
    line-height: 40px;
}

.iconfont {
    color: #666;
}