css+js实现聚焦立体阴影邮箱输入框表单提交反馈效果代码-html代码-BFW代码库

css+js实现聚焦立体阴影邮箱输入框表单提交反馈效果代码

代码语言：html

代码描述：css+js实现聚焦立体阴影邮箱输入框表单提交反馈效果代码，一个邮箱输入，自带验证邮箱格式，提交表单交互过程全部在一个输入框搞定。

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">
  

  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
  
  <link rel='stylesheet' href='https://fonts.googleapis.com/css2?family=Montserrat:wght@100..900&amp;display=swap'>
  
<style>
* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --hue: 223;
  --bg: hsl(var(--hue),90%,90%);
  --fg: hsl(var(--hue),90%,10%);
  --primary: hsl(var(--hue),90%,50%);
  --trans-dur: 0.3s;
  --trans-timing: cubic-bezier(0.65,0,0.35,1);
  font-size: calc(14px + (30 - 14) * (100vw - 280px) / (3840 - 280));
}

body,
button,
input {
  color: var(--fg);
  font: 1em/1.5 "Montserrat", sans-serif;
}

body {
  background-image: linear-gradient(45deg, #b29efa, var(--bg));
  display: flex;
  height: 100vh;
  transition: background-color var(--trans-dur), color var(--trans-dur);
}

.contact {
  display: flex;
  margin: auto;
  position: relative;
  width: 20em;
  transform: translate(0.5em, 0.5em);
}
.contact, .contact:after {
  transition: transform var(--trans-dur) var(--trans-timing);
}
.contact:before, .contact:after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.contact:before {
  box-shadow: 0 0 0 0.125em inset;
  pointer-events: none;
  z-index: 3;
}
.contact:after {
  background-color: currentColor;
  z-index: -1;
}
.contact__btn, .contact__input {
  border-radius: 0;
  height: 4em;
  outline: transparent;
  transition: background-color var(--trans-dur) var(--trans-timing), color var(--trans-dur) var(--trans-timing), transform var(--trans-dur) var(--trans-timing);
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
}
.contact__btn {
  background-color: var(--primary);
  box-shadow: 0 0 0 0.125em inset;
  cursor: pointer;
  flex-shrink: 0;
  position: absolute;
  top: 0;
  right: 0;
  width: 4em;
  height: 4em;
  transform: translateX(500%);
  z-i.........完整代码请登录后点击上方下载按钮下载查看