Bear Theme with Typora 👉 http://ksria.qiniudn.com/bear-theme@typora.png

bear.css

/**
 * Bear Theme with Typora
 *
 * @version : 0.0.1
 * @update  : 2018/09/08
 * @homepage: https://gist.github.com/Kenshin/e5adc79da3149315bdfd72a35b70d65e
 * @license : MIT https://github.com/kenshin/mduikit/blob/master/LICENSE
 * @author  : Kenshin Wang <kenshin@ksria.com>
 * 
 * @copyright 2018
 *
 */
:root {
    --side-bar-bg-color: #fafafa;
    --control-text-color: #777;
    --active-file-bg-color: #414747;
    --active-file-border-color: #414747;
    --control-text-hover-color: #eee;
}

header, .context-menu, .megamenu-content, footer {
   font-family: -apple-system, PingFang SC, Microsoft Yahei, Lantinghei SC, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;
}

header #file-library::-webkit-scrollbar-thumb {
    background: #414747; 
}

header #typora-sidebar {
    background-color: #2E3235;
}

header #sidebar-content {
    color: #DCDBDB;
    background-color: #2E3235;
}

header #sidebar-content .file-library-node.file-tree-node.file-library-file-node.active {
    color: #fff;
    background-color: #414747;
}

header #sidebar-content .file-node-background {
    height: 29px;
}

header #sidebar-content .outline-item:hover {
    color: #fff;
    background-color: #414747;
}

header #sidebar-content .outline-label:hover {
    text-decoration: none;
}

header #sidebar-content .outline-label.outline-active {
    text-decoration: none;
}

header .sidebar-footer .footer-item:hover, 
header .sidebar-footer .sidebar-footer-item:hover {
    color: #fff;
    background-color: #414747;
}

header span.ty-icon.ty-add,
header span.ty-icon.ty-three-cells {
    color: #fff;
}

header .sidebar-footer ul#sidebar-files-menu {
    color: #DCDBDB;
}

header .sidebar-footer ul#sidebar-files-menu a {
    color: #DCDBDB;
}

@include-when-export url(https://fonts.googleapis.com/css?family=Open+Sans:400italic,700italic,700,400&subset=latin,latin-ext);

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: normal;
    src: local('Open Sans Regular'),url('./github/400.woff') format('woff')
}

@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: normal;
    src: local('Open Sans Italic'),url('./github/400i.woff') format('woff')
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: bold;
    src: local('Open Sans Bold'),url('./github/700.woff') format('woff')
}

@font-face {
    font-family: 'Open Sans';
    font-style: italic;
    font-weight: bold;
    src: local('Open Sans Bold Italic'),url('./github/700i.woff') format('woff')
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, PingFang SC, Microsoft Yahei, Lantinghei SC, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;
    color: #555;
    line-height: 1.6;
    text-rendering: optimizelegibility;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

#write{
    max-width: 860px;
      margin: 0 auto;
      padding: 20px 30px 40px 30px;
    padding-top: 20px;
    padding-bottom: 100px;
}
#write > ul:first-child,
#write > ol:first-child{
    margin-top: 30px;
}

body > *:first-child {
    margin-top: 0 !important;
}
body > *:last-child {
    margin-bottom: 0 !important;
}
a {
    color: #DD4C4F;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    position: relative;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-weight: bold;
    line-height: 1.4;
    cursor: text;
}
h1:hover a.anchor,
h2:hover a.anchor,
h3:hover a.anchor,
h4:hover a.anchor,
h5:hover a.anchor,
h6:hover a.anchor {
    /*background: url("../../images/modules/styleguide/para.png") no-repeat 10px center;*/
    text-decoration: none;
}
h1 tt,
h1 code {
    font-size: inherit;
}
h2 tt,
h2 code {
    font-size: inherit;
}
h3 tt,
h3 code {
    font-size: inherit;
}
h4 tt,
h4 code {
    font-size: inherit;
}
h5 tt,
h5 code {
    font-size: inherit;
}
h6 tt,
h6 code {
    font-size: inherit;
}
h1 {
    padding-bottom: .3em;
    font-size: 2.25em;
    line-height: 1.2;
    border-bottom: 1px solid #eee;
}
h2 {
   padding-bottom: .3em;
    font-size: 1.75em;
    line-height: 1.225;
    border-bottom: 1px solid #eee;
}
h3 {
    font-size: 1.5em;
    line-height: 1.43;
}
h4 {
    font-size: 1.25em;
}
h5 {
    font-size: 1em;
}
h6 {
   font-size: 1em;
    color: #777;
}
p,
blockquote,
ul,
ol,
dl,
table{
    margin: 0.8em 0;
}
li>ol,
li>ul {
    margin: 0 0;
}
hr {
    height: 2px;
    padding: 0;
    margin: 16px 0;
    background-color: #e7e7e7;
    border: 0 none;
    overflow: hidden;
    box-sizing: content-box;
}

body > h2:first-child {
    margin-top: 0;
    padding-top: 0;
}
body > h1:first-child {
    margin-top: 0;
    padding-top: 0;
}
body > h1:first-child + h2 {
    margin-top: 0;
    padding-top: 0;
}
body > h3:first-child,
body > h4:first-child,
body > h5:first-child,
body > h6:first-child {
    margin-top: 0;
    padding-top: 0;
}
a:first-child h1,
a:first-child h2,
a:first-child h3,
a:first-child h4,
a:first-child h5,
a:first-child h6 {
    margin-top: 0;
    padding-top: 0;
}
h1 p,
h2 p,
h3 p,
h4 p,
h5 p,
h6 p {
    margin-top: 0;
}
li p.first {
    display: inline-block;
}
ul,
ol {
    padding-left: 0;
}
ul:first-child,
ol:first-child {
    margin-top: 0;
}
ul:last-child,
ol:last-child {
    margin-bottom: 0;
}
#write li {
    list-style: none;
}
#write li:before {
    content: "•";
    color: #DD4C4F;
    float: left;
    margin-right: 10px;
    position: relative;
    top: 0.05em;
}
#write p {
    padding-right: 15px;
}
blockquote {
    border-left: 4px solid #DD4C4F;
    padding: 0 15px;
    color: #777777;
}
blockquote blockquote {
    padding-right: 0;
}
table {
    padding: 0;
    word-break: initial;
}
table tr {
    border-top: 1px solid #dfe2e5;
    margin: 0;
    padding: 0;
}
table tr:nth-child(2n),
thead {
    background-color: #f8f8f8;
}
table tr th {
    font-weight: bold;
    border: 1px solid #dfe2e5;
    border-bottom: 0;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}
table tr td {
    border: 1px solid #dfe2e5;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}
table tr th:first-child,
table tr td:first-child {
    margin-top: 0;
}
table tr th:last-child,
table tr td:last-child {
    margin-bottom: 0;
}

.CodeMirror-lines {
    padding-left: 4px;
}

.code-tooltip {
    box-shadow: 0 1px 1px 0 rgba(0,28,36,.3);
    border-top: 1px solid #eef2f2;
}

.md-fences,
code,
tt {
    border: 1px solid #e7eaed;
    background-color: #f8f8f8;
    border-radius: 3px;
    padding: 0;
    padding: 2px 4px 0px 4px;
    font-size: 0.9em;
}

code {
    font-family: monospace, -apple-system, PingFang SC, Microsoft Yahei, Lantinghei SC, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;;
    margin: 0 4px;
    padding: 2px 4px;
    color: #777;
    height: 21px;
    line-height: 21px;
    background: #EEEEEE;
    font-size: 85%;
    border-radius: 5px;
}

.md-fences {
    margin-bottom: 15px;
    margin-top: 15px;
    padding: 0.2em 1em;
    padding-top: 8px;
    padding-bottom: 6px;
}


.md-task-list-item > input {
  margin-left: -1.3em;
}

@media screen and (min-width: 914px) {
    /*body {
        width: 854px;
        margin: 0 auto;
    }*/
}
@media print {
    html {
        font-size: 13px;
    }
    table,
    pre {
        page-break-inside: avoid;
    }
    pre {
        word-wrap: break-word;
    }
}

.md-fences {
    background-color: #f8f8f8;
}
#write pre.md-meta-block {
    padding: 1rem;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f7f7f7;
    border: 0;
    border-radius: 3px;
    color: #777777;
    margin-top: 0 !important;
}

.mathjax-block>.code-tooltip {
    bottom: .375rem;
}

.md-mathjax-midline {
    background: #fafafa;
}

#write>h3.md-focus:before{
    left: -1.5625rem;
    top: .375rem;
}
#write>h4.md-focus:before{
    left: -1.5625rem;
    top: .285714286rem;
}
#write>h5.md-focus:before{
    left: -1.5625rem;
    top: .285714286rem;
}
#write>h6.md-focus:before{
    left: -1.5625rem;
    top: .285714286rem;
}
.md-image>.md-meta {
    /*border: 1px solid #ddd;*/
    border-radius: 3px;
    padding: 2px 0px 0px 4px;
    font-size: 0.9em;
    color: inherit;
}

.md-tag {
    color: #a7a7a7;
    opacity: 1;
}

.md-toc { 
    margin-top:20px;
    padding-bottom:20px;
}

.sidebar-tabs {
    border-bottom: none;
}

#typora-quick-open {
    border: 1px solid #ddd;
    background-color: #f8f8f8;
}

#typora-quick-open-item {
    background-color: #FAFAFA;
    border-color: #FEFEFE #e5e5e5 #e5e5e5 #eee;
    border-style: solid;
    border-width: 1px;
}

/** focus mode */
.on-focus-mode blockquote {
    border-left-color: rgba(85, 85, 85, 0.12);
}

header, .context-menu, .megamenu-content, footer{
    font-family: "Segoe UI", "Arial", sans-serif;
}

.file-node-content:hover .file-node-icon,
.file-node-content:hover .file-node-open-state{
    visibility: visible;
}

.mac-seamless-mode #typora-sidebar {
    background-color: #fafafa;
    background-color: var(--side-bar-bg-color);
}

.md-lang {
    color: #b4654d;
}

.html-for-mac .context-menu {
    --item-hover-bg-color: #E6F0FE;
}

I have a full collection of bear themes for typora, see imageslr/typora-theme-bear.

I have a full collection of bear themes for typora, see imageslr/typora-theme-bear.

okay 3ks including my css 😁