style.css

/* ------------------------------------
 * Typecho Default Theme
 *
 * @author  Typecho Team
 * @link  http: //typecho.org/
 * @update  2013-10-28
 * --------------------------------- */

/* ------------------
 * Global style
 * --------------- */
body {
  background-color: #fff;
  color: #444;
  /*font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;*/
  font-family: "Droid Serif", Georgia, "Times New Roman", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "WenQuanYi Micro Hei","Microsoft Yahei", serif;
  font-size: 87.5%;
}
#search-button {
    display: block;
    font-size: 1.17em;
    margin-block-start: 1em;
    margin-block-end: 1em;
    font-weight: bold;
    border: 1px solid #222;
    border-radius: 0.5em;
    padding: 5px;
    color: #444;
}
#search-button:hover {
    background-color: #ff8080;
}
.back-to-top {
      font-weight:800;
      font-size:18px;
      display: none;
      /* 默认是隐藏的，这样在第一屏才不显示 */
      position: fixed;
      /* 位置是固定的 */
      bottom: 20px;
      /* 显示在页面底部 */
      right: 30px;
      /* 显示在页面的右边 */
      z-index: 99;
      /* 确保不被其他功能覆盖 */
      border: 1px solid #2f2f2f;
      /* 显示边框 */
      outline: none;
      /* 不显示外框 */
      background-color: #eee;
      /* 设置背景背景颜色 */
      color: #2f2f2f;
      /* 设置文本颜色 */
      cursor: pointer;
      /* 鼠标移到按钮上显示手型 */
      padding: 5px 8px;
      /* 增加一些内边距 */
      border-radius: 10px;
      /* 增加圆角 */
    }

    .back-to-top:hover {
      background-color: #ff8080;
      /* 鼠标移上去时，反转颜色 */
      color: #222;
    }

.post-content pre code {
    display:block;
    overflow-x:auto;
    position:relative;
    margin:0;
}
pre code {
    position:relative;
    display:block;
    overflow-x:auto;
    max-height:500px;
}

#edit-post-button {
    font-size: 1.17em;
    border: 1px solid #222;
    border-radius: 0.5em;
    padding: 5px;
    color: #444;
}

#edit-post-button:hover {
    background-color: #ff8080;
}

summary {
    display: block;
}

summary::-webkit-details-marker {
    display: none;
}

summary::before {
    content: '\25B6';
    padding-right: 0.5em;
    color: #3254aa;
}

details[open]>summary::before {
    content: '\25BC';
    color: #3254aa;
}

.expand_btn {
    border-style: solid;
    border-width: 1.5px;
    border-radius: 0.5em;
    padding: 0 6px;
    color: #222;
}

.expand_btn:hover {
    background-color: #ff8080;
}

a {
  color: #3354AA;
  text-decoration: none;
}
a:hover, a:active {
  color: #444;
}
pre, code { 
  background: #F3F3F3;
  font-family: Menlo, Monaco, Consolas, "Lucida Console", "Courier New", monospace;
  font-size: .92857em;
}
code { padding: 2px 4px; color: #B94A48; }
pre {
  padding: 8px;
  overflow: auto;
  max-height: 400px;
}
pre code {
  padding: 3px;
  color: #444;
}

blockquote {
  margin: 1em 0;
  padding-left: 1.5em;
  border-left: 4px solid #eee;
  color: #666;
}

table {
  border: 1px solid #ddd;
  width: 100%;
}
table th,
table td {
  padding: 5px 10px;
  border: 1px solid #eee;
}
table th {
  background: #f3f3f3;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "WenQuanYi Micro Hei","Microsoft Yahei", sans-serif;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
textarea {
  padding: 5px;
  border: 1px solid #E9E9E9;
  width: 100%;

  border-radius: 2px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
textarea {
  resize: vertical;
}


/* Special link style */
.post-meta a,
.post-content a,
.widget a,
.comment-content a {
  border-bottom: 1px solid #EEE;
}

.post-meta a:hover,
.post-content a:hover,
.widget a:hover,
.comment-content a:hover {
  border-bottom-color: transparent;
}

/* ------------------
 * Header
 * --------------- */

#header {
  padding-top: 35px;
  border-bottom: 1px solid #EEE;
}

#logo {
  color: #333;
  font-size: 2.5em;
}
#logo img {
    max-height: 64px;
}

.description {
  margin: .5em 0 0;
  color: #999;
  font-style: italic;
}

/* Navigation menu */
#nav-menu {
  margin: 25px 0 0;
  padding: 0;
}
#nav-menu a {
  display: block;
  margin-right: -1px;
  padding: 0 20px;
  border: 1px solid #EEE;
  border-bottom: none;
  height: 32px;
  line-height: 32px;
  color: #444;
  float: left;
}
#nav-menu a:hover,
#nav-menu .current {
  background: #F6F6F6;
}

/* Search */
#search {
  position: relative;
  margin-top: 15px;
}
#search input {
  padding-right: 30px;
}
#search button {
  position: absolute;
  right: 4px;
  top: 2px;
  border: none;
  padding: 0;
  width: 24px;
  height: 24px;
  background: transparent url(img/icon-search.png) no-repeat center center;
  direction: ltr; /* fix RTL language */
  text-indent: -9999em;
}

@media 
(-webkit-min-device-pixel-ratio: 2), 
(min-resolution: 192dpi) {
  #search button {
    background-image: url(img/icon-search@2x.png);
    -webkit-background-size: 24px 24px;
    -moz-background-size: 24px 24px;
    -o-background-size: 24px 24px;
    background-size: 24px 24px;
  }
}


/* ------------------
 * Main
 * --------------- */

.post {
  padding: 15px 0 20px;
  border-bottom: 1px solid #EEE;
}
.post-title {
  margin: .83em 0;
  font-size: 1.4em;
}
.post-meta {
  margin-top: -0.5em;
  padding: 0;
  color: #999;
  font-size: .92857em;
}
.post-meta li {
  display: inline-block;
  margin: 0 8px 0 0;
  padding-left: 12px;
  border-left: 1px solid #EEE;
}
.post-meta li:first-child {
  margin-left: 0;
  padding-left: 0;
  border: none;
}
.post-content {
  line-height: 1.5;
}
.post .tags {
  clear: both;
}

.post-near {
  list-style: none;
  margin: 30px 0;
  padding: 0;
  color: #999;
}
.post-near li {
  margin: 10px 0;
}

.archive-title {
  margin: 1em 0 -1em;
  padding-top: 20px;
  color: #999;
  font-size: 1em;
}
.more {
  text-align: center;
}
.more a {
  border: none;
}
.protected .text {
  width: 50%;
}

/* Page nav */

.page-navigator {
  list-style: none;
  margin: 25px 0;
  padding: 0;
  text-align: center;
}
.page-navigator li {
  display: inline-block;
  margin: 0 4px;
}
.page-navigator a {
  display: inline-block;
  padding: 0 10px;
  height: 30px;
  line-height: 30px;
}
.page-navigator a:hover {
  background: #EEE;
  text-decoration: none;
}

.page-navigator .current a {
  color: #444;
  background: #EEE;
}

/* ------------------
 * Comment list
 * --------------- */
#comments {
  padding-top: 15px;
}
.comment-list, .comment-list ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.comment-list li {
  padding: 14px;
  margin-top: 10px;
  border: 1px solid #EEE;
}
.comment-list li.comment-level-odd {
  background: #F6F6F3;
}
.comment-list li.comment-level-even {
  background: #FFF;
}
.comment-list li.comment-by-author {
  background: #FFF9E8;
}
.comment-list li .comment-reply {
  text-align: right;
  font-size: .92857em;
}
.comment-meta a {
  color: #999;
  font-size: .92857em;
}
.comment-author {
  display: block;
  margin-bottom: 3px;
  color: #444;
}
.comment-author .avatar {
  float: left;
  margin-right: 10px;
}
.comment-author cite {
  font-weight: bold;
  font-style: normal;
}

/* Comment reply */
.comment-list .respond {
  margin-top: 15px;
  border-top: 1px solid #EEE;
}
.respond .cancel-comment-reply {
  float: right;
  margin-top: 15px;
  font-size: .92857em;
}
#comment-form label {
  display: block;
  margin-bottom: .5em;
  font-weight: bold;
}
#comment-form .required:after {
  content: " *";
  color: #C00;
}

/* ------------------
 * secondary
 * --------------- */
#secondary {
  padding-top: 15px;
  word-wrap: break-word;
}
.widget {
  margin-bottom: 30px;
}
.widget-list {
  list-style: none;
  padding: 0;
}
.widget-list li {
  margin: 5px 0;
  line-height: 1.6;
}

.widget-list li ul {
  margin-left: 15px;
}


/* ------------------
 * Footer 
 * --------------- */
#footer {
  padding: 3em 0;
  line-height: 1.5;
  text-align: center;
  color: #999;
}


/* -----------------
 * Error page
 * -------------- */
.error-page {
  margin-top: 100px;
  margin-bottom: 100px;
}


/* -----------------
 * Content format
 *--------------- */
.post-content, .comment-content {
  line-height: 1.5;
  word-wrap: break-word;
}
.post-content h2, .comment-content h2 {
  font-size: 1.28571em;
}
.post-content img, .comment-content img,
.post-content video, .comment-content video {
  max-width: 100%;
}
.post-content a img,
.comment-content a img {
  background: #FFF;
  position: relative;
  bottom: -4px;  /* hidden img parent link border  */
}
.post-content hr, .comment-content hr {
  margin: 2em auto;
  width: 100px;
  border: 1px solid #E9E9E9;
  border-width: 2px 0 0 0;
}


/* -----------------
 * Misc
 *--------------- */
.aligncenter, div.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
.alignleft {
  float: left;
}
.alignright {
  float: right;
}
img.alignleft {
  margin: 0 15px 0 0;
}
img.alignright {
  margin: 0 0 0 15px;
}


/* -----------------
 * Responsive
 *--------------- */
@media (max-width: 767px) {
  body {
    font-size: 81.25%;
  }
  #nav-menu a {
    float: none;
    display: inline-block;
    margin: 0 -2px;
  }
}

@media (max-width: 768px) {
  #header,
  .post-title,
  .post-meta {
    text-align: center;
  }
}

@media (min-width: 992px) {

}

@media (min-width: 1200px) {
  .container {
    max-width: 952px;
  }
}


/*
* Hide from both screenreaders and browsers: h5bp.com/u
*/
.hidden {
  display: none !important;
  visibility: hidden; }

/*
* Hide only visually, but have it available for screenreaders: h5bp.com/v
*/
.sr-only {
  border: 0;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px; }

/*
* Extends the .sr-only class to allow the element to be focusable
* when navigated to via the keyboard: h5bp.com/p
*/
.sr-only.focusable:active,
.sr-only.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  width: auto; }

/*
* Hide visually and from screenreaders, but maintain layout
*/
.invisible {
  visibility: hidden; }