:root {
  --main-color: #7dc8e9;
  --bg-color: #f4f4f4;
  --bg-content-color: #fff;
  --bg-menu: #eceef2;
  --bg-tag-color: #f4f4f4;
  --bg-cat-color: #c2c2c2;
  --bg-code: #eee;
  --bg-codeblock: #f8f8f8;
  --body-color: #4c4d4e;
  --title-color: #50596c;
  --border-color: rgba(0,0,0,0.1);
  --space: 4.6rem;
  --content-width: 776px;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}
html {
  --base-font-size: 16px;
  font-size: var(--base-font-size);
}
::-webkit-scrollbar {
  width: 0.55rem !important;
  height: 0.4rem !important;
  background: 0 0 !important;
}
::-webkit-scrollbar-thumb {
  background: #b5b5b5 !important;
}
@media screen and (max-width: 762px) {
  ::-webkit-scrollbar {
    width: 0.25rem !important;
    height: 0.16rem !important;
  }
}
body,
p {
  font-family: rubik, -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, pingfang sc, source han sans sc, noto sans cjk sc, sarasa gothic sc, microsoft yahei, sans-serif, Apple Color Emoji, Segoe UI Emoji, Varela Round;
}
body {
  font-weight: 400;
  background-color: var(--bg-color);
  color: var(--body-color);
  transition: color 0.6s, background-color 0.6s;
  margin: 0;
  padding: 0;
  line-height: 1.8;
}
@media screen and (max-width: 650px) {
  body {
    --space: 1.5rem;
  }
}
.main {
  margin: 0 auto;
  padding: 1.5vw 15px 0;
}
.main.tagscloud {
  margin: 0 auto;
  padding: 0 var(--space);
  max-width: 100%;
}
.main.friends {
  margin: 0 auto;
  padding: 0 var(--space);
  max-width: 100%;
}
.content-card {
  background-color: var(--bg-content-color);
  max-width: var(--content-width);
  margin: 0 auto;
  transition: background-color 0.6s;
  padding: var(--space);
  border-radius: 17px;
  box-shadow: 1px 1px 5px 0 rgba(0,0,0,0.02), 1px 1px 15px 0 rgba(0,0,0,0.03);
  transition: transform 0.3s, background-color 0.3s, box-shadow 0.6s;
}
.post__with-side {
  max-width: calc(var(--content-width) + 220px * 2);
  margin: 0 auto;
}
.post-card {
  margin-bottom: var(--space);
  position: relative;
}
.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 1px 10px 30px 0 rgba(0,0,0,0.1);
}
.post-card__image {
  min-width: 100%;
}
.post-card__title {
  margin-top: 0;
}
.post-card__tags {
  z-index: 1;
  position: relative;
}
.post-card__cats {
  z-index: 1;
  position: relative;
}
.post-card__link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  overflow: hidden;
  text-indent: -9999px;
  z-index: 0;
}
.post-title {
  padding: calc(var(--space) / 2) 0 calc(var(--space) / 2);
  text-align: center;
}
.post-card__meta,
.post-title__meta {
  display: block;
  z-index: 1;
  position: relative;
  font-size: 0.8em;
  opacity: 0.8;
  font-family: rubik, sans-serif;
}
.post-card__header,
.post__header {
  margin: calc(var(--space) * -1);
  margin-bottom: calc(var(--space) / 2);
  overflow: hidden;
  border-radius: 17px;
}
.post-card__header:empty,
.post__header:empty {
  display: none;
}
.post__content p {
  line-height: 1.8;
}
.post__content img.inline {
  display: inline;
}
.post__content div>img,
.post__content p>img,
.post__content div>picture>img,
.post__content p>picture>img {
  display: block;
  margin: auto;
  border-radius: 4px;
}
.post__content span img {
  display: inline;
  margin: auto;
}
.post__comments {
  max-width: var(--content-width);
  margin: var(--space) auto;
  font-family: rubik, sans-serif;
}
.post__comments:empty {
  display: none;
}
.post-footer__meta {
  font-size: 14px;
  margin-top: 1.5rem;
}
h1,
h2,
h3,
h4,
h5 {
  transition: color 0.6s;
  color: var(--title-color);
  margin: 2.75rem 0 1rem;
  font-family: miriam libre, -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, pingfang sc, source han sans sc, noto sans cjk sc, sarasa gothic sc, microsoft yahei, sans-serif, Apple Color Emoji, Segoe UI Emoji, Varela Round;
  font-weight: 430;
  line-height: 1.5;
}
h1 {
  font-size: 2em;
}
h2 {
  font-size: 1.6em;
}
h3 {
  font-size: 1.4em;
}
h4 {
  font-size: 1.3em;
}
h5 {
  font-size: 1.2em;
}
small {
  font-size: 0.889em;
}
b,
strong {
  font-weight: 600;
  font-weight: bold;
}
em {
  font-style: italic;
}
s {
  text-decoration: line-through;
}
* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  font-smoothing: antialiased;
  osx-font-smoothing: grayscale;
}
a {
  color: var(--main-color);
  cursor: pointer;
  text-decoration: none;
}
a:not(.button) {
  transition: opacity 0.2s;
}
a:not(.button):hover {
  opacity: 0.8;
  text-decoration: underline;
}
a .index-title {
  color: var(--title-color);
}
img {
  max-width: 100%;
}
img.lazyload {
  transition: filter 0.375s ease 0s;
}
img.lazyload:not(.loaded) {
  filter: blur(8px);
  padding-bottom: 40%;
}
.katex-block {
  overflow: auto;
}
.octicon {
  display: inline-block;
  fill: currentColor;
  vertical-align: text-bottom;
}
.anchor {
  float: left;
  line-height: 1;
  margin-left: -20px;
  padding-right: 4px;
}
.anchor:focus {
  outline: none;
}
details {
  display: block;
}
details summary {
  cursor: pointer;
}
summary {
  display: list-item;
}
hr {
  box-sizing: initial;
  height: 0;
  overflow: visible;
  margin: 15px 0;
  overflow: hidden;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #dfe2e5;
  border-bottom-color: #eee;
  height: 0.1em;
  padding: 0;
  margin: 24px 0;
  background-color: #e1e4e8;
}
hr:after {
  clear: both;
}
input {
  font: inherit;
  margin: 0;
  overflow: visible;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
[type=checkbox] {
  box-sizing: border-box;
  padding: 0;
}
kbd {
  display: inline-block;
  padding: 3px 5px;
  font: 11px SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
  line-height: 10px;
  color: #444d56;
  vertical-align: middle;
  background-color: #fafbfc;
  border: 1px solid #d1d5da;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #d1d5da;
}
blockquote {
  margin: 16px 0 16px 0;
  padding: 0 1em;
  color: #6a737d;
  border-left: 0.25em solid #dfe2e5;
}
blockquote >:first-child {
  margin-top: 0;
}
blockquote >:last-child {
  margin-bottom: 0;
}
dd {
  margin-left: 0;
}
pre {
  margin-top: 0;
  margin-bottom: 0;
  word-wrap: normal;
}
pre >code {
  padding: 0;
  margin: 0;
  font-size: 100%;
  word-break: normal;
  white-space: pre;
  background: transparent;
  border: 0;
}
pre span {
  display: inline;
  max-width: auto;
  padding: 0;
  margin: 0;
  overflow: auto;
  line-height: inherit;
  word-wrap: normal;
  background-color: initial;
  border: 0;
}
a:not(.button):not([href]) {
  color: inherit;
  text-decoration: none;
}
li {
  word-wrap: break-all;
}
li >p {
  margin-top: 16px;
}
li +li {
  margin-top: 0.25em;
}
dl {
  padding: 0;
}
dl dt {
  padding: 0;
  margin-top: 16px;
  font-size: 1em;
  font-style: italic;
  font-weight: 600;
}
dl dd {
  padding: 0 16px;
  margin-bottom: 20px;
}
code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 14px;
  background-color: var(--bg-code);
  border-radius: 3px;
}
.highlight {
  margin: 1rem;
  padding: 0.4rem;
  width: auto;
  border-radius: 3px;
}
.highlight pre {
  margin-bottom: 0;
}
h1 .octicon-link,
h2 .octicon-link,
h3 .octicon-link,
h4 .octicon-link,
h5 .octicon-link,
h6 .octicon-link {
  color: #1b1f23;
  vertical-align: middle;
  visibility: hidden;
}
h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor,
h4:hover .anchor,
h5:hover .anchor,
h6:hover .anchor {
  text-decoration: none;
}
h1:hover .anchor .octicon-link,
h2:hover .anchor .octicon-link,
h3:hover .anchor .octicon-link,
h4:hover .anchor .octicon-link,
h5:hover .anchor .octicon-link,
h6:hover .anchor .octicon-link {
  visibility: visible;
}
h1:hover .anchor .octicon-link:before,
h2:hover .anchor .octicon-link:before,
h3:hover .anchor .octicon-link:before,
h4:hover .anchor .octicon-link:before,
h5:hover .anchor .octicon-link:before,
h6:hover .anchor .octicon-link:before {
  width: 16px;
  height: 16px;
  content: ' ';
  display: inline-block;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' width='16' height='16' aria-hidden='true'%3E%3Cpath fill-rule='evenodd' d='M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z'%3E%3C/path%3E%3C/svg%3E");
}
a:active,
a:hover {
  outline-width: 0;
}
code,
kbd,
pre {
  font-family: monospace, monospace;
  font-size: 14px;
}
hr:after,
hr:before {
  display: table;
  content: "";
}
td,
th {
  padding: 0;
}
ol,
ul {
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
  padding-left: 2em;
}
ol ol,
ul ol {
  list-style-type: lower-roman;
}
ol ol ol,
ol ul ol,
ul ol ol,
ul ul ol {
  list-style-type: lower-alpha;
}
code,
pre {
  font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
  font-size: 14px;
}
input::-webkit-inner-spin-button,
input::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}
after,
before {
  display: table;
  content: "";
}
blockquote,
details,
dl,
ol,
p,
pre,
table,
ul {
  margin-top: 0px;
  margin-bottom: 20px;
}
ol ol,
ol ul,
ul ol,
ul ul {
  margin-top: 0;
  margin-bottom: 0;
}
figure {
  padding: 0;
  margin: 0;
  margin-bottom: 20px;
}
table {
  display: block;
  width: 100%;
  overflow: auto;
}
figure table {
  border: none;
  padding: 0;
  max-width: 100%;
}
figure table th {
  font-weight: 600;
}
figure table tr {
  background-color: transparent;
  border-top: none;
}
figure table td.gutter {
  padding-right: 1rem;
  text-align: right;
  background-color: transparent;
}
.highlight table {
  margin: 0;
  padding: 0.6rem 0;
}
.highlight pre,
pre {
  padding: 0;
  overflow: auto;
  font-size: 14px;
  line-height: 1.45;
  border-radius: 3px;
}
.task-list-item {
  list-style-type: none;
}
.task-list-item +.task-list-item {
  margin-top: 3px;
}
.task-list-item input {
  margin: 0 0.2em 0.25em -1.6em;
  vertical-align: middle;
}
table {
  border-spacing: 0;
  border-collapse: collapse;
}
table th:not(.code):not(.gutter) {
  font-weight: 600;
}
table tr:not(.code):not(.gutter) {
  background-color: #f6f8fa;
}
table tr:not(.code):not(.gutter):not(.highlight) {
  background-color: transparent;
}
table tr:not(.code):not(.gutter):nth-child(2n) {
  background-color: #f6f8fa;
}
table td:not(.code):not(.gutter),
table th:not(.code):not(.gutter) {
  padding: 6px 13px;
  border: 1px solid var(--border-color);
}
overflows table {
  overflow: auto;
}
overflows table th,
overflows table td {
  white-space: nowrap;
}
.md-content {
  text-size-adjust: 100%;
  color: var(--body-color);
  font-size: 16px;
  word-wrap: break-word;
}
.md-content a {
  background-color: initial;
  color: #0366d6;
  text-decoration: none;
}
.md-content a:hover {
  text-decoration: underline;
}
.md-content>.highlight {
  margin: 1rem calc(0rem - var(--space)) !important;
  padding: 0.4rem var(--space) !important;
  border: none !important;
  border-radius: 0 !important;
  width: auto;
}
.md-content h1 {
  font-size: 2em;
  margin: 0.67em 0;
  font-size: 32px;
}
.md-content h2 {
  font-size: 24px;
  font-size: 1.5em;
}
.md-content h3 {
  font-size: 20px;
  font-size: 1.25em;
}
.md-content h4 {
  font-size: 16px;
  font-size: 1em;
}
.md-content h5 {
  font-size: 14px;
  font-size: 0.875em;
}
.md-content h6 {
  font-size: 12px;
  font-size: 0.85em;
  color: #6a737d;
}
.md-content h1,
.md-content h2,
.md-content h3,
.md-content h4,
.md-content h5,
.md-content h6 {
  margin-top: 24px;
  margin-bottom: 20px;
  font-weight: 550;
  line-height: 1.25;
}
.md-content h1,
.md-content h2 {
  font-weight: 600;
  padding-bottom: 0.3em;
  border-bottom: 1px solid #eaecef;
}
.archives {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
}
.archives .archives-item {
  display: flex;
  margin-bottom: 1.2rem;
  position: relative;
}
.archives .archives-item .archives-left {
  flex: 0 0 auto;
  box-flex: 0;
}
.archives .archives-item .archives-icon {
  border-radius: 50%;
  color: var(--main-color);
  display: block;
  height: 1.2rem;
  text-align: center;
  width: 1.2rem;
}
.archives .archives-item .archives-icon.icon-lg {
  background: var(--main-color);
  line-height: 1.2rem;
}
.archives .archives-item .archives-content {
  flex: 1 1 auto;
  box-flex: 1;
  padding: 2px 0 2px 0.8rem;
}
.archives .archives-item .archives-content .archives-title {
  color: var(--title-color);
  font-size: 20px;
}
.archives .archives-item .archives-icon::before {
  border: 0.1rem solid var(--main-color);
  border-radius: 50%;
  content: "";
  display: block;
  height: 0.4rem;
  left: 0.4rem;
  position: absolute;
  top: 0.4rem;
  width: 0.4rem;
}
.archives .archives-item:hover .archives-icon::before {
  border: 0.1rem solid var(--main-color);
  background: var(--main-color);
  border-radius: 50%;
  content: "";
  display: block;
  height: 0.4rem;
  left: 0.4rem;
  position: absolute;
  top: 0.4rem;
  width: 0.4rem;
}
.archives .archives-item::before {
  background: #e7e9ed;
  content: "";
  height: 100%;
  left: 11px;
  position: absolute;
  top: 1.2rem;
  width: 2px;
}
.archives .archives-item:last-child::before {
  background: 0 0;
}
.links-list {
  margin: 0 auto;
  max-width: 1080px;
}
.links-list .links-content {
  display: flex;
  flex-wrap: wrap;
  margin: -8px;
  border-radius: 17px;
  align-items: flex-start;
  line-height: 1.3;
}
.links-list .links-content .links-card {
  display: flex;
  padding: 8px;
  margin: 0 auto;
  margin-top: calc(2.25 * 16px + 32px);
  color: #444;
  background: #fff;
  justify-content: flex-start;
  align-content: flex-start;
  flex-direction: column;
  max-width: 16rem;
  width: calc(100%/4 - 16px);
}
@media screen and (max-width: 1280px) {
  .links-list .links-content .links-card {
    width: calc(100%/3 - 16px);
  }
}
@media screen and (max-width: 1080px) {
  .links-list .links-content .links-card {
    width: calc(100%/2 - 16px);
  }
}
@media screen and (max-width: 768px) {
  .links-list .links-content .links-card {
    width: calc(100%/1 - 16px);
  }
}
.links-list .links-content .links-left {
  display: flex;
  align-self: center;
}
.links-list .links-content .links-left .avatar {
  width: 64px;
  height: 64px;
  margin: 16px 8px 4px 8px;
  margin-top: calc(-1.25 * 16px - 32px);
  border-radius: 100%;
  border: 2px solid #fff;
  background: #fff;
}
.links-list .links-content .links-right {
  margin: 4px 8px;
  display: flex;
  flex-direction: column;
  text-align: center;
}
.links-list .links-content .links-right p {
  text-align: center;
}
.links-list .links-content .links-right .links-tags-wrapper {
  margin-left: -2px;
  word-break: break-all;
}
.links-list .links-content .links-right p {
  margin: 0;
}
.links-list .links-content .links-right p.links-name {
  padding-top: 6px;
  padding-bottom: 4px;
  font-weight: bold;
}
.links-list .links-content .links-right p.tags {
  display: inline;
  background: none;
  word-wrap: break-word;
  padding-right: 4px;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 60px;
  padding: 0 calc(var(--space) / 2);
  top: 0;
  z-index: 10;
}
.header .header__left,
.header .header__right {
  display: flex;
  align-items: center;
  font-family: rubik, sans-serif, Varela Round;
}
.header .header__left .logo__text {
  font-size: 18px;
  padding: 16px 10px 16px 10px;
  border-radius: 5px;
}
.header .header__right .cover__menus {
  padding: 0 15px 0 15px;
}
.header .header__right .cover__menus .cover-menu {
  font-size: 16px;
  padding: 16px 10px 16px 10px;
  border-radius: 5px;
}
.header .header__right .cover__menus .cover-menu:hover {
  background-color: var(--bg-menu);
}
.header .header__right .dropdown-icon {
  display: none;
  padding: 16px 10px 16px 10px;
  border: 0 !important;
  background-color: transparent;
}
.header .header__right .dropdown-icon * {
  width: 20px;
  height: 20px;
}
.header .header__right .dropdown-menus {
  display: none;
  background: var(--bg-content-color);
  position: absolute;
  left: 10px;
  right: 10px;
  top: 10px;
  z-index: 10000;
  border-radius: 6px;
  padding: 24px;
  justify-items: center;
  justify-content: center;
  flex-direction: column;
  transition: all 0.35s ease;
  transform: translateY(2.25rem);
  opacity: 0;
}
.header .header__right .dropdown-menus .dropback-icon {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 16px 10px 16px 10px;
  border: 0 !important;
  background-color: transparent;
}
.header .header__right .dropdown-menus .dropback-icon * {
  width: 20px;
  height: 20px;
}
.header .header__right .dropdown-menus .dropdown-menu {
  padding: 10px;
}
@media screen and (max-width: 764px) {
  .cover__menus {
    display: none !important;
  }
  .dropdown-icon {
    display: block !important;
  }
}
.footer {
  display: block;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin-top: 4rem;
  margin-bottom: 2rem;
  text-align: center;
  font-size: 1.1em;
  font-family: rubik, -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, pingfang sc, noto sans cjk sc, sarasa gothic sc, microsoft yahei, sans-serif, Apple Color Emoji, Segoe UI Emoji, Varela Round;
  color: #999;
}
.footer * {
  margin: 0 auto;
  margin-block-start: 0em;
  margin-block-end: 0em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
}
.footer >span {
  margin: 0 0.35em;
}
.footer a {
  color: #6b6b6b;
  text-decoration: none;
}
.footer svg {
  margin-right: 0.2rem;
}
.cover {
  display: block;
  text-align: center;
  margin: 3rem auto 3rem auto;
}
.cover .cover__logo {
  max-width: 600px;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}
.cover .cover__intro {
  color: #999;
}
nav {
  max-width: var(--content-width);
  margin: 0 auto;
  text-align: center;
}
nav a {
  margin: 0 10px;
  padding: 3px 10px;
  background-color: transparent;
  border: 2px dashed var(--main-color);
}
nav a:hover {
  border: 2px solid var(--main-color);
  background-color: var(--main-color);
  color: var(--bg-content-color);
  text-decoration: none;
}
.post-cats {
  display: inline-block;
  margin: 1em 0 0;
}
.post-cats__link {
  display: inline-block;
  margin: 0.35em;
  font-size: 0.75em;
  color: currentColor;
  text-decoration: none;
  background-color: var(--bg-cat-color);
  color: currentColor !important;
  padding: 0.25rem 0.6rem 0.25rem 0.6rem;
  border-radius: 5px;
}
.post-tags {
  display: inline-block;
  margin: 1em 0 0;
}
.post-tags__link {
  display: inline-block;
  margin: 0.35em;
  font-size: 0.75em;
  color: currentColor;
  text-decoration: none;
  background-color: var(--bg-tag-color);
  color: currentColor !important;
  padding: 0.25rem 0.6rem 0.25rem 0.6rem;
  border-radius: 5px;
}
#b2t {
  display: none;
  width: 40px;
  height: 40px;
  position: fixed;
  z-index: 1001;
  right: 20px;
  bottom: 30px;
  background: none;
}
.separate-dot:after {
  content: ' · ';
}
.post-side {
  display: block;
  height: 0;
  float: right;
  position: -webkit-sticky;
  position: sticky;
  top: calc(60px + 10px);
}
.post-side .post-side__toc {
  display: block;
}
.post-side .post-side__toc .toc {
  display: none;
  width: 220px;
  font-size: 14px;
  overflow: auto;
  height: calc(100vh - 60px - 20px);
  list-style-type: none;
  padding-left: 0.6em;
}
.post-side .post-side__toc .toc .toc-child {
  padding-left: 0.35em;
  list-style-type: none;
}
@media screen and (max-width: 1246px) {
  .post-side {
    width: calc(100vw / 6 - 20px);
  }
  .post-side .post-side__toc .toc {
    width: calc(100vw / 6 - 20px);
  }
  .post,
  .post__comment {
    max-width: calc(100vw / 6 * 4);
    width: calc(100vw / 6 * 4);
  }
}
@media screen and (min-width: 1080px) {
  .post-side .post-side__toc .toc {
    display: block;
  }
}
@media screen and (max-width: 1080px) {
  .post,
  .post__comments {
    max-width: var(--content-width);
    width: 100%;
  }
}
.post__license {
  background-color: #f5f5f5;
  word-break: break-all;
  margin: 3em 0 1em 0;
  padding: 0.5rem 0.8rem;
  border-left: 4px solid #f44336;
  list-style: none;
}
.post__license p {
  margin: 3px 1px 3px 1px;
  padding: 0;
}
.post__expire {
  display: none;
  margin: calc(var(--space) / 2) var(--space) 0 var(--space);
  padding: 0.5rem 0.8rem;
  background: #ffffc0;
  border-left: 4px solid #fff000;
  list-style: none;
}
.post__expire p {
  color: #947600;
  margin: 3px 1px 3px 1px;
  padding: 0;
}