first commit

历届学生/front-end-team-11/项目开发/上课项目/聊天室/backend/index.js

@@ -0,0 +1,176 @@
+const express = require("express");
+const { writeFileSync } = require("fs");
+const { createServer } = require("http");
+const { Server } = require("socket.io");
+
+const app = express();
+
+app.use('/upload', express.static('upload'))
+
+const httpServer = createServer(app);
+const io = new Server(httpServer, {
+  cors: {
+    origin: "*",
+    allowedHeaders: "*",
+    credentials: true
+  }
+});
+
+let onlineUserSocket = []
+
+// 在线群和用户 
+let onlineUserList = {
+  // "10086": [
+  //   {
+  //     socketId: SWERGFAEGRFBE345Y  
+  //     room_id: "10086",
+  //     user_img: "../img/7.jpg",
+  //     user_name: "bmy",
+  //     level: 1, // 1群主（第一个加群的人） 2管理员（群主右键设置的） 3普通成员（之后进入的）
+  //   },
+  //  {
+  //     socketObject: socket  
+  //     room_id: "10086",
+  //     user_img: "../img/7.jpg",
+  //     user_name: "bmy",
+  //     level: 1, // 1群主（第一个加群的人） 2管理员（群主右键设置的） 3普通成员（之后进入的）
+  //   }
+  // ],
+  // "10011": [
+  //   {
+  //     room_id: "10011",
+  //     user_img: "../img/7.jpg",
+  //     user_name: "bmy",
+  //     level: 1,
+  //   }
+  // ]
+}
+
+// 聊天记录
+let ChatRecords = {
+  "10086": [
+    {
+      room_id: "10086",
+      user_img: "../img/7.jpg",
+      user_name: "bmy",
+      timestamp: '1234564323456',
+      level: 1, // 1群主（第一个加群的人） 2管理员（群主右键设置的） 3普通成员（之后进入的）
+      message: '这是我发的消息'
+    }
+  ]
+}
+
+io.on("connection", (socket) => {
+  console.log("链接成功...");
+
+
+  // 加入群聊
+  socket.on('JoinRoom', (msg) => {
+    socket.roomId = msg.room_id
+
+    // 已经存在了这个群
+    if (onlineUserList.hasOwnProperty(msg.room_id)) {
+      if (checkUserNameisExist(msg)) {
+        msg.level = 3
+        // msg.socket = socket
+        onlineUserList[msg.room_id].push(msg)
+      }
+
+      msg.socketId = socket.id
+      onlineUserSocket.push(socket)
+
+      socket.join(msg.room_id);
+      console.log("已经存在了这个群");
+      // 不存在这个群  
+    } else {
+      onlineUserList[msg.room_id] = []
+      msg.socketId = socket.id
+      onlineUserSocket.push(socket)
+      msg.level = 1
+
+
+      onlineUserList[msg.room_id].push(msg)
+
+      console.log(onlineUserList[msg.room_id]);
+
+
+      socket.join(msg.room_id);
+      console.log("不存在这个群");
+    }
+
+    io.in(msg.room_id).emit("onLineUserList", onlineUserList[msg.room_id]);
+    io.in(msg.room_id).emit("WelcomeUser", `欢迎用户 ${msg.user_name} 加入群聊`);
+  });
+
+  socket.on('sendMessage', (msg) => {
+    console.log("msg: ", msg);
+    socket.to(msg.room_id).emit("ServerMessage", msg);
+  })
+
+  socket.on('uploadFile', (msg) => {
+    console.log("图片base64: ", msg);
+    msg.user.message = saveFile(msg)
+    socket.to(msg.user.room_id).emit("uploadImgName", msg.user);
+  })
+
+  socket.on('socketShake', (msg) => {
+
+    if (msg.hasOwnProperty("clickUserName")) {
+
+      console.log("私发抖动");
+
+      let userSocket = onlineUserSocket.filter(v => onlineUserList[msg.room_id].filter(v => msg.clickUserName == v.user_name)[0].socketId == v.id)[0];
+
+      let a = parseInt(Math.random() * 100000)
+      console.log("a: ", a);
+
+      socket.join(a);
+      userSocket.join(a)
+
+      // console.log("socket: ", socket.id);
+      // console.log("userSocket: ", userSocket.id);
+     
+      // console.log(socket.rooms);
+      // console.log(userSocket.rooms);
+
+      io.in(a).emit("ShakeMessage", msg);
+      
+      io.in(a).emit("openShake");
+
+    } else {
+      console.log("群发抖动");
+
+      io.in(msg.room_id).emit("openShake");
+      io.in(msg.room_id).emit("ShakeMessage", msg);
+    }
+
+  })
+
+
+
+  socket.on("disconnect", (reason) => {
+    socket.leave(socket.roomId);
+  });
+
+
+});
+
+
+function saveFile(imgData) {
+  var base64Data = imgData.base64.replace(/^data:image\/\w+;base64,/, "");
+  var dataBuffer = Buffer.from(base64Data, 'base64');
+  let fileName = `${new Date().getTime().toString() + (Math.random() * new Date().getTime())}.${imgData.fileType}`
+  writeFileSync(`upload/${fileName}`, dataBuffer);
+  return fileName
+}
+
+
+
+function checkUserNameisExist(msg) {
+  let arr = onlineUserList[msg.room_id].filter(v => v.user_name == msg.user_name)
+  return arr.length == 0 ? true : false
+}
+
+httpServer.listen(3000, () => {
+  console.log("ws运行在: ws://127.0.0.1:3000");
+});

历届学生/front-end-team-11/项目开发/上课项目/聊天室/backend/package-lock.json

@@ -0,0 +1,594 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
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+    },
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+      "resolved": "https://registry.npmmirror.com/@types/cors/-/cors-2.8.13.tgz",
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+      "requires": {
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+        "negotiator": "0.6.3"
+      }
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+    "array-flatten": {
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+    },
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+      }
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+        "escape-html": "~1.0.3",
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+        "range-parser": "~1.2.1",
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+          "resolved": "https://registry.npmmirror.com/ms/-/ms-2.1.3.tgz",
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+      }
+    },
+    "serve-static": {
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+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
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+      }
+    },
+    "setprototypeof": {
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+        "get-intrinsic": "^1.0.2",
+        "object-inspect": "^1.9.0"
+      }
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+    "socket.io": {
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+        "base64id": "~2.0.0",
+        "debug": "~4.3.2",
+        "engine.io": "~6.4.1",
+        "socket.io-adapter": "~2.5.2",
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+      },
+      "dependencies": {
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+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmmirror.com/ms/-/ms-2.1.2.tgz",
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+        }
+      }
+    },
+    "socket.io-adapter": {
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+      "resolved": "https://registry.npmmirror.com/socket.io-adapter/-/socket.io-adapter-2.5.2.tgz",
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+      },
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+      }
+    },
+    "socket.io-parser": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmmirror.com/socket.io-parser/-/socket.io-parser-4.2.3.tgz",
+      "integrity": "sha512-JMafRntWVO2DCJimKsRTh/wnqVvO4hrfwOqtO7f+uzwsQMuxO6VwImtYxaQ+ieoyshWOTJyV0fA21lccEXRPpQ==",
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+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.3.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
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+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmmirror.com/ms/-/ms-2.1.2.tgz",
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+        }
+      }
+    },
+    "statuses": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmmirror.com/statuses/-/statuses-2.0.1.tgz",
+      "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="
+    },
+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="
+    },
+    "type-is": {
+      "version": "1.6.18",
+      "resolved": "https://registry.npmmirror.com/type-is/-/type-is-1.6.18.tgz",
+      "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
+      "requires": {
+        "media-typer": "0.3.0",
+        "mime-types": "~2.1.24"
+      }
+    },
+    "unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/unpipe/-/unpipe-1.0.0.tgz",
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+    },
+    "utils-merge": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/utils-merge/-/utils-merge-1.0.1.tgz",
+      "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA=="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmmirror.com/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
+    }
+  }
+}

历届学生/front-end-team-11/项目开发/上课项目/聊天室/backend/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "backend",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node-dev index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.18.2",
+    "socket.io": "^4.6.1"
+  }
+}

历届学生/front-end-team-11/项目开发/上课项目/聊天室/fontend/css/index.css

@@ -0,0 +1,268 @@
+body {
+    display: flex;
+    flex-direction: column;
+    height: 100vh;
+}
+.header {
+  -webkit-app-region: drag;
+}
+.header {
+    height: 55px;
+    background: #e7e6e6;
+    border-top-left-radius: 10px;
+    border-top-right-radius: 10px;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0 15px;
+}
+.header .room_name {
+    font-size: 18px;
+    font-weight: bold;
+}
+.header .user {
+    display: flex;
+    align-items: center;
+    font-size: 18px;
+}
+.header .user .name{
+    font-size: 16px;
+}
+.header .user img{
+    margin-right: 10px;
+    width: 30px;
+    height: 30px;
+    border-radius: 100%;
+    margin-left: 10px;
+}
+
+.content {
+    height: calc(100% - 155px);
+    display: flex;
+}
+.content .c_left{
+    width: 80%;
+    padding: 10px 15px 0 10px;
+    overflow-y: scroll;
+    background: rgb(245 246 247);
+    height: 100%;
+} 
+.c_left li {
+    margin-bottom: 25px;
+}
+.c_left li .time {
+    text-align: center;
+    color: #c4c1c1;
+    font-size: 12px;
+    line-height: 1;
+}
+.c_left li .item{
+    display: flex;
+}
+
+.c_left li .item > img{
+    width: 35px;
+    height: 35px;
+    border-radius: 100%;
+    margin-right: 9px;
+}
+.m_r {}
+.m_r .text{
+    order: -1;
+}
+.m_r .name{
+   text-align: right;
+}
+.m_r .item {
+    justify-content: flex-end;
+}
+.m_r .item > img{
+  margin-right: 0px !important;
+  margin-left: 9px;
+}
+.m_r .message{
+    background: rgb(30 100 255) !important;
+    color: #fff !important;
+    
+}
+
+.c_left li .text{
+    max-width: calc(100% - 87px);
+}
+.c_left li .text .name{
+    color: #898888;
+    margin-bottom: 8px;
+}
+.c_left li .text .name span{
+    padding: 2px 5px;
+    color: #fff;
+    border-radius: 4px;
+    font-size: 11px;
+    line-height: 1;
+}
+.tips_qz {
+    background: #fdd509;
+}
+.tips_gly {
+    background: #25ed7a;
+}
+.c_left li .text .message{
+    padding: 7px 12px;
+    background: #fff;
+    color: #000;
+    border-radius: 9px;
+    word-break: break-all;
+    word-wrap: break-word;
+}
+
+.c_left li .text .message .emote_img {
+    width: 25px !important;
+    height: 25px !important;
+}
+.c_left li .text .message .gif_img {
+    height: 50%;
+}
+.system_message {
+    text-align: center;
+}
+.system_message span {
+    padding: 4px 8px;
+    background: #d8d8d8;
+    border-radius: 5px;
+    color: #a49e9e;
+}
+
+.content .c_right{
+    width: 20%;
+    background: #f6f7f9;
+    display: flex;
+    flex-direction: column;
+    padding: 10px;
+    padding-bottom: 0;
+    border-left: 1px solid #f3eded;
+}
+.c_right .title {
+    margin-bottom: 10px;
+    font-size: 14px;
+    font-weight: 500;
+}
+.c_right ul {
+    flex: 1;
+    overflow-y: scroll;
+}
+.c_right ul li {
+    height: 40px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+.c_right ul li .qz{
+    color: #f7ca2f;
+}
+.c_right ul li .gly{
+    color: #6eb5f4;
+}
+.c_right ul li .use img{
+    width: 25px;
+    height: 25px;
+    border-radius: 100%;
+}
+.c_right ul li .use span{}
+.footer {
+    height: 100px;
+    display: flex;
+    flex-direction: column;
+}
+.gif img {
+    width: 80px;
+    height: 80px;
+    cursor: pointer;
+}
+.footer .f_action{
+    height: 30px;
+    display: flex;
+    align-items: center;
+    border-top: 1px solid #f3eded;
+    padding: 0 15px;
+    position: relative;
+}
+.f_action i {
+    margin-right: 14px;
+    font-size: 18px;
+    cursor: pointer;
+}
+.f_action .menu {
+    position: absolute;
+    width: 460px;
+    height: 300px;
+    background: #fff;
+    border-radius: 4px;
+    bottom: 33px;
+    box-shadow: 1px 1px 9px #e2e2e2;
+    left: 6px;
+    border: 1px solid #e2e2e2;
+    box-sizing: border-box;
+}
+.f_action .menu .menu_title{
+    font-size: 14px;
+    height: 35px;
+    display: flex;
+    align-items: center;
+    border-bottom: 1px solid #f1f1f1;
+    padding: 0 10px;
+}
+.f_action .menu .menu_list{
+    padding: 10px 10px;
+    height: calc(100% - 75px);
+    box-sizing: border-box;
+}
+.f_action .menu .menu_list .menu_item{
+    display: none;
+    height: 100%;
+    overflow-y: scroll;
+}
+.f_action .menu .menu_list .active{
+    display: block !important;
+}
+.menu_list .emote {
+    font-size: 0;
+}
+.menu_list .emote img {
+    width: 25px;
+    height: 25px;
+    cursor: pointer;
+}
+.f_action .menu .menu_footer{
+    display: flex;
+    height: 40px;
+    align-items: center;
+    background: #f1f1f1;
+}
+.f_action .menu .menu_footer li{
+    width: 16%;
+    height: 100%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+}
+.f_action .menu .menu_footer .active {
+    background: #fff;
+}
+
+.footer .input{
+    padding: 0 9px;
+    line-height: 1.2;
+    flex: 1;
+    overflow-y: scroll;
+    outline: none;
+    font-size: 16px;
+}
+.footer .input img {
+    width: 25px;
+    height: 25px;
+}
+
+.m_r .noback {
+    background: transparent !important;
+}

历届学生/front-end-team-11/项目开发/上课项目/聊天室/fontend/css/login.css

@@ -0,0 +1,34 @@
+.login {
+    width: 251px;
+    height: 320px;
+    background: #fff;
+    border-radius: 10px;
+    box-shadow: 0px 0px 17px #e7e5e5;
+    text-align: center;
+}
+.login .user_img{
+    width: 100px;
+    height: 100px;
+    border-radius: 100%;
+    margin-bottom: 50px;
+    margin-top: 30px;
+}
+.login input{
+    width: 185px;
+    border: none;
+    border-bottom: 1px solid #f1f1f1;
+    padding-bottom: 8px;
+    font-size: 12px;
+    color: #929090;
+    margin-bottom: 10px;
+}
+.login i{
+    font-size: 21px;
+    margin-top: 9px;
+    color: #b7b1b1;
+    display: inline-block;
+}
+.modal-body img {
+    width: 50px;
+    height: 50px;
+}

历届学生/front-end-team-11/项目开发/上课项目/聊天室/fontend/css/normalize.css

@@ -0,0 +1,401 @@
+/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
+
+/* Document
+   ========================================================================== */
+
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+
+body {
+  /* font-size: 0; */
+}
+
+html {
+  line-height: 1;
+  -webkit-text-size-adjust: 100%;
+  /* 2 */
+}
+
+/* Sections
+     ========================================================================== */
+
+/**
+   * Remove the margin in all browsers.
+   */
+
+body,
+ul,
+li,
+p,
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+::-webkit-scrollbar {
+  width: 0;
+  height: 0;
+}
+
+/**
+   * Render the `main` element consistently in IE.
+   */
+
+main {
+  display: block;
+}
+
+/**
+   * Correct the font size and margin on `h1` elements within `section` and
+   * `article` contexts in Chrome, Firefox, and Safari.
+   */
+
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/* Grouping content
+     ========================================================================== */
+
+/**
+   * 1. Add the correct box sizing in Firefox.
+   * 2. Show the overflow in Edge and IE.
+   */
+
+hr {
+  box-sizing: content-box;
+  /* 1 */
+  height: 0;
+  /* 1 */
+  overflow: visible;
+  /* 2 */
+}
+
+/**
+   * 1. Correct the inheritance and scaling of font size in all browsers.
+   * 2. Correct the odd `em` font sizing in all browsers.
+   */
+
+pre {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */
+}
+
+/* Text-level semantics
+     ========================================================================== */
+
+/**
+   * Remove the gray background on active links in IE 10.
+   */
+
+a {
+  background-color: transparent;
+  text-decoration: none;
+  color: #000;
+}
+
+/**
+   * 1. Remove the bottom border in Chrome 57-
+   * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+   */
+
+abbr[title] {
+  border-bottom: none;
+  /* 1 */
+  text-decoration: underline;
+  /* 2 */
+  text-decoration: underline dotted;
+  /* 2 */
+}
+
+/**
+   * Add the correct font weight in Chrome, Edge, and Safari.
+   */
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+/**
+   * 1. Correct the inheritance and scaling of font size in all browsers.
+   * 2. Correct the odd `em` font sizing in all browsers.
+   */
+
+code,
+kbd,
+samp {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */
+}
+
+/**
+   * Add the correct font size in all browsers.
+   */
+
+small {
+  font-size: 80%;
+}
+
+/**
+   * Prevent `sub` and `sup` elements from affecting the line height in
+   * all browsers.
+   */
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+/* Embedded content
+     ========================================================================== */
+
+/**
+   * Remove the border on images inside links in IE 10.
+   */
+
+img {
+  border-style: none;
+}
+
+/* Forms
+     ========================================================================== */
+
+/**
+   * 1. Change the font styles in all browsers.
+   * 2. Remove the margin in Firefox and Safari.
+   */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit;
+  /* 1 */
+  font-size: 100%;
+  /* 1 */
+  line-height: 1.15;
+  /* 1 */
+  margin: 0;
+  /* 2 */
+}
+
+/**
+   * Show the overflow in IE.
+   * 1. Show the overflow in Edge.
+   */
+
+button,
+input {
+  /* 1 */
+  overflow: visible;
+  outline: none;
+}
+
+/**
+   * Remove the inheritance of text transform in Edge, Firefox, and IE.
+   * 1. Remove the inheritance of text transform in Firefox.
+   */
+
+button,
+select {
+  /* 1 */
+  text-transform: none;
+}
+
+/**
+   * Correct the inability to style clickable types in iOS and Safari.
+   */
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+/**
+   * Remove the inner border and padding in Firefox.
+   */
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0;
+}
+
+/**
+   * Restore the focus styles unset by the previous rule.
+   */
+
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+  outline: 1px dotted ButtonText;
+}
+
+/**
+   * Correct the padding in Firefox.
+   */
+
+fieldset {
+  padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+   * 1. Correct the text wrapping in Edge and IE.
+   * 2. Correct the color inheritance from `fieldset` elements in IE.
+   * 3. Remove the padding so developers are not caught out when they zero out
+   *    `fieldset` elements in all browsers.
+   */
+
+legend {
+  box-sizing: border-box;
+  /* 1 */
+  color: inherit;
+  /* 2 */
+  display: table;
+  /* 1 */
+  max-width: 100%;
+  /* 1 */
+  padding: 0;
+  /* 3 */
+  white-space: normal;
+  /* 1 */
+}
+
+/**
+   * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+   */
+
+progress {
+  vertical-align: baseline;
+}
+
+/**
+   * Remove the default vertical scrollbar in IE 10+.
+   */
+
+textarea {
+  overflow: auto;
+}
+
+/**
+   * 1. Add the correct box sizing in IE 10.
+   * 2. Remove the padding in IE 10.
+   */
+
+[type="checkbox"],
+[type="radio"] {
+  box-sizing: border-box;
+  /* 1 */
+  padding: 0;
+  /* 2 */
+}
+
+/**
+   * Correct the cursor style of increment and decrement buttons in Chrome.
+   */
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+   * 1. Correct the odd appearance in Chrome and Safari.
+   * 2. Correct the outline style in Safari.
+   */
+
+[type="search"] {
+  -webkit-appearance: textfield;
+  /* 1 */
+  outline-offset: -2px;
+  /* 2 */
+}
+
+/**
+   * Remove the inner padding in Chrome and Safari on macOS.
+   */
+
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+   * 1. Correct the inability to style clickable types in iOS and Safari.
+   * 2. Change font properties to `inherit` in Safari.
+   */
+
+::-webkit-file-upload-button {
+  -webkit-appearance: button;
+  /* 1 */
+  font: inherit;
+  /* 2 */
+}
+
+/* Interactive
+     ========================================================================== */
+
+/*
+   * Add the correct display in Edge, IE 10+, and Firefox.
+   */
+
+details {
+  display: block;
+}
+
+/*
+   * Add the correct display in all browsers.
+   */
+
+summary {
+  display: list-item;
+}
+
+/* Misc
+     ========================================================================== */
+
+/**
+   * Add the correct display in IE 10+.
+   */
+
+template {
+  display: none;
+}
+
+/**
+   * Add the correct display in IE 10.
+   */
+
+[hidden] {
+  display: none;
+}