diff --git a/demo.html b/demo.html
index 225c302..7b23512 100644
--- a/demo.html
+++ b/demo.html
@@ -21,12 +21,12 @@
         padding: 15px;
       }
     }
-	
-	/* 初始状态下设置透明度为0 */
-	  .md-content {
-		opacity: 0;
-		transition: opacity 0.3s ease-in-out;
-	  }
+
+    /* 初始状态下设置透明度为0 */
+    .md-content {
+      opacity: 0;
+      transition: opacity 0.3s ease-in-out;
+    }
   </style>
   <body>
     <br />\[x = {-b \pm \sqrt{b^2-4ac} \over 2a}\]<br />
@@ -34,10 +34,7 @@
       When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they
       are 只有这个是正常的 $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
     </div>
-    <div class="md-content">
-      * 呵呵 
-      # 我看你真是老糊涂了
-    </div>
+    <div class="md-content">* 呵呵 # 我看你真是老糊涂了</div>
     <script>
       'use strict'
       // 在anki中查看调试信息
@@ -139,9 +136,7 @@
           newDiv.className = 'markdown-body'
           div.parentNode.insertBefore(newDiv, div.nextSibling)
 
-          index === 1
-            ? div.parentNode.insertBefore(hr, div.nextSibling)
-            : null
+          index === 1 ? div.parentNode.insertBefore(hr, div.nextSibling) : null
           div.className = `x-${index}`
           div.style.display = 'none'
           // 不能从body直接插入元素 anki 不刷新的 淦
diff --git a/normalize.css b/normalize.css
deleted file mode 100644
index 2a42a08..0000000
--- a/normalize.css
+++ /dev/null
@@ -1,349 +0,0 @@
-/*! 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.
- */
-
- html {
-  line-height: 1.15; /* 1 */
-  -webkit-text-size-adjust: 100%; /* 2 */
-}
-
-/* Sections
-   ========================================================================== */
-
-/**
- * Remove the margin in all browsers.
- */
-
-body {
-  margin: 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;
-}
-
-/**
- * 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;
-}
-
-/**
- * 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;
-}
diff --git a/卡片样式.css b/卡片样式.css
index 23aa38c..9574499 100644
--- a/卡片样式.css
+++ b/卡片样式.css
@@ -1,3 +1,7 @@
+/* 
+把这里的样式代码 复制到卡片模板 的样式区域
+*/
+
 /* github样式 */
     .markdown-body {
       box-sizing: border-box;
