<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>含样式的搜索</title>
  <style>
    body, form > div {
      display: flex;
    }

    body {
      margin: 20px auto;
      max-width: 800px;
      justify-content: space-around;
    }

    form > div {
      align-items: center;
    }

    input[type="search"] {
      border: 2px solid black;
      border-radius: 16px;
      box-shadow: 1px 1px 1px red;
      height: 32px;
      padding: 0 10px;
      font-size: 14px;
      letter-spacin