输入框浮动标签特效-html代码-BFW代码库

输入框浮动标签特效

代码语言：html

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">

    <title>Form Fields | CSS Only Floating Label</title>
    <link rel="stylesheet" href="http://repo.bfw.wiki/bfwrepo/css/reset.min.css">
    <style>
        html {
            height: 100%;
        }

        body {
            height: 100%;
            display: flex;
            align-items: center;
            background-color: #edf2f7;
            padding: 0 30%;
        }

        .login-form {
            width: 360px;
            padding: 0;
            margin: auto;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            background: white;
            border-radius: 8px;
            padding: 0;
            overflow: hidden;
        }
        .login-form .login-form--head {
            padding: 0;
            margin: 0;
        }
        .login-form .login-form--head img {
            border-radius: 8px 8px 0 0;
        }
        .login-form form {
            padding: 1.5rem 1.5rem 1rem;
            font-weight: 400;
            overflow: hidden;
            background: #fff;
            margin-top: 0;
            box-shadow: none;
        }
        .login-form .login-form--field {
            margin: 0 0 1rem;
            position: relative;
        }
        .login-form .login-form--field label {
            position: absolute;
            left: 12px;
            z-index: 10;
            display: block;
            cursor: default;
            line-height: 1;
            z-index: 0;
            color: #4a5568;
            transition: all 0.25s ease-out;
            font-size: 8px;
            top: 10px;
            transform: translateY(0%);
        }
        .login-form .login-form--field input {
            margin: 0;
            box-sizing: border-box;
            font-weight: 300;
            font-size: 16px;
            display: block;
            padding: 18px 12px 0 !important;
            height: 50px;
            width: 100%;
            outline: 0;
            position: relative;
            z-index: 1;
            background: none;
            border-radius: 4px;
            border: 1px solid #f1f1f1;
            box-shadow: 0 1px 0 0 rgba(230, 230, 230, 0.5);
            transition: box-shadow 0.15s ease-out;
        }
        .login-form .login-form--field input::placeholder {
            opacity: 0;
        }
        .login-form .login-form--field input:placeholder-shown + label {
            font-size: 14px;
            transition: all 0.25s ease-out;
            top: 50%;
            transform: translateY(-50%);
        }
        .login-form .login-form--field input:focus + label {
            transition: all 0.25s ease-out;
            font-size: 8px;
            top: 10px;
            transform: none;
        }
        .login-form .login-form--button {
            line-heig.........完整代码请登录后点击上方下载按钮下载查看