html {
    box-sizing: border-box;
    font-size: 80%;
}

body {
    display: flex;
    color: #323232;
    background-color: #fefefe;
    font-family: 'Fira Mono',monospace;
    font-size: 1.4em;
    font-weight: 400;
    letter-spacing: .0625em;
    line-height: 1.7em;
}

main {
    margin-left: 5%;
    margin-right: 5%;
}

img {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    /* filter: grayscale(100%); */
}

figcaption {
    font-size: 75%;
    font-weight: bold;
    text-align: center;
}

code {
    background-color: #000;
    color: #fefefe;
    padding: .4rem .8rem .4rem .8rem;
}

pre {
    margin: 0.4rem 0 0.4rem 0;
    padding: 1.6rem;
    overflow-x: auto;
    color:#e5e5e5;
    background-color:#000;
    tab-size: 2;
    font-size: .775em;
    line-height: 30px;
}

*,*:after,*:before {
    box-sizing: inherit;
}

.container {
    max-width: 960px;
}

.blog-header {
    max-width: 700px;
}

.title {
    font-weight: bold;
}

.date {
    margin-top: 5px;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
body {
    font-size: 1.0em;
    line-height: 1.2em;
}
}

a {
    color: #000000;
    text-decoration: underline;
}

a:focus,a:hover {
    color: #5c5c5c;
    text-decoration: underline;
}

p {
    margin: 0.6rem 0 0.6rem 0;
}

p a {
    font-weight: 400;
    color: #000;
    text-decoration: underline;
    text-underline-position: under;
}

p a:focus,p a:hover {
    color: #000000;
}

h1,h2,h3,h4,h5,h6 {
    color: #000;
    letter-spacing: .0625em;
    margin: 0.6rem 0 0.6rem 0;
}

h1 {
    font-size: 2.8rem;
    line-height: 2.6rem;
    text-transform: uppercase;
}

h2 {
    text-transform: uppercase;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
h1 {
    font-size: 2.2rem;
    line-height: 2.0rem;
}
}

h2 {
    font-size: 1.6rem;
    line-height: 1.8rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
h2 {
    font-size: 1.6rem;
    line-height: 1.8rem;
}
}

h3 {
    font-size: 1.4rem;
    line-height: 1.6rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
h3 {
    font-size: 1.4rem;
    line-height: 1.6rem;
}
}

h4 {
    font-size: 1.2rem;
    line-height: 1.4rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
h4 {
    font-size: 1.2rem;
    line-height: 1.4rem;
}
}

h5 {
    font-size: 1rem;
    line-height: 1.2rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
h5 {
    font-size: 1.0rem;
    line-height: 1.2rem;
}
}

h6 {
    font-size: 1.0rem;
    line-height: 1.2rem;
}

blockquote {
    border-left: 2px solid #dcdcdc;
    padding-left: 1.6rem;
    font-style: italic;
}

th,td {
    padding: 1.0rem;
}

table {
    border-collapse: collapse;
}

table td,table th {
    border: 2px solid #000000;
}

table tr:first-child th {
    border-top: 0;
}

table tr:last-child td {
    border-bottom: 0;
}

table tr td:first-child,table tr th:first-child {
    border-left: 0;
}

table tr td:last-child,table tr th:last-child {
    border-right: 0;
}

.wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
}

.container {
    margin: 0 auto;
    max-width: 120rem;
    width: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
}

.navigation {
    height: 6rem;
    width: 100%;
}

.navigation a {
    display: inline;
    font-size: 1.8rem;
    text-transform: uppercase;
    line-height: 6rem;
    letter-spacing: .1rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.navigation a {
    font-size: 1.4rem;
}
}

.navigation ul {
    list-style: none;
    margin-bottom: 0;
    margin-top: 0;
}

.navigation ul li {
    float: left;
    margin: 0;
    position: relative;
}

.navigation ul li a {
    margin-left:0.4rem;
    margin-right: 0.4rem;
}

.content {
    flex: 1;
    margin-top: 1.6rem;
    margin-bottom: 3.2rem;
}

.content article header {
    margin-top: 3.2rem;
    margin-bottom: 3.2rem;
}

.content article header h1,.content article header h2 {
    margin: 0;
}

.content article header h2 {
    margin-top: 1rem;
    font-size: 1.8rem;
    color: #323232;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.content article header h2 {
    font-size: 1.6rem;
}
}

.list ul {
    margin: 0.4rem 0 0.4rem 0;
    list-style: none;
    padding: 0;
}

.list ul li {
    font-size: 1.6rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.list ul li {
    font-size: 1.4rem;
    margin: 0.4rem 0 0.4rem 0;
}
}

.list ul li span {
    display: inline-block;
    text-align: right;
    width: 40rem;
    margin-right: 0.4rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.list ul li span {
    display: block;
    text-align: left;
}
}

.list ul li a {
    text-transform: uppercase;
}

.pagination {
    margin-top: 6rem;
    text-align: center;
}

.pagination li {
    display: inline;
    text-align: center;
}

.pagination li span {
    margin: 0;
    text-align: center;
    width: 5rem;
}

.pagination li a span {
    margin: 0;
    text-align: center;
    width: 5rem;
}

.centered {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.centered .about {
    text-align: center;
}

.centered .about h1 {
    margin-top: 2rem;
    margin-bottom: .5rem;
}

.centered .about h2 {
    margin-top: 1rem;
    margin-bottom: .5rem;
    font-size: 2.4rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.centered .about h2 {
    font-size: 2rem;
}
}

.centered .about ul {
    list-style: none;
    margin: 0.4rem 0 0.4rem 0;
    padding: 0;
}

.centered .about ul li {
    display: inline-block;
    position: relative;
}

.centered .about ul li a {
    text-transform: uppercase;
    margin-left: 0.4rem;
    margin-right: 0.4rem;
    font-size: 1.6rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.centered .about ul li a {
    font-size: 1.4rem;
}
}

.centered .error {
    text-align: center;
}

.centered .error h1 {
    margin-top: 2rem;
    margin-bottom: .5rem;
    font-size: 4.6rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.centered .error h1 {
    font-size: 3.2rem;
}
}

.centered .error h2 {
    margin-top: 2rem;
    margin-bottom: 3.2rem;
    font-size: 3.2rem;
}

@media only screen and (min-device-width:320px) and (max-device-width:480px) {
.centered .error h2 {
    font-size: 2.8rem;
}
}

.footer {
    height: 4rem;
    width: 100%;
    text-align: center;
    line-height: 6rem;
}

.float-right {
    float: right;
}

.float-left {
    float: left;
}

.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
    font-size: 3.5rem;
    }
}

.b-example-divider {
    height: 3rem;
    background-color: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.b-example-vr {
    flex-shrink: 0;
    width: 1.5rem;
    height: 100vh;
}

.bi {
    vertical-align: -.125em;
    fill: currentColor;
}

.nav-scroller {
    position: relative;
    z-index: 2;
    height: 2.75rem;
    overflow-y: hidden;
}

.nav-scroller .nav {
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 1rem;
    margin-top: -1px;
    overflow-x: auto;
    text-align: center;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
}

.fa:hover {
    opacity: 0.5;
}

.navbar-collapse {
    align-items: end;
}

.md-source {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: block;
    font-size: 18px;
    line-height: 1.2;
    white-space: nowrap;
}

@media only screen and (max-width: 1200px) {
    .source-detail {
        margin-top: 10px;
        padding: 15px;
        border-top: solid;
        border-color: #e8e8e8;
    }
}

.md-source-repo-icon {
    display: inline-block;
    vertical-align: middle;
    margin-right: 4px;
    margin-left: 4px;
    font-size: xx-large;
}

.md-source-repo-text {
    display: flex;
    font-size: 14px;
    text-align: left;
    gap: 0.4rem;
    list-style-type: none;
    margin: 0.1rem 0 0;
    opacity: .75;
    overflow: hidden;
    padding: 0;
    width: 100%;
}

.md-source-repo-url {
    display: inline-block;
    max-width: calc(100% - 1.2rem);
    white-space: nowrap;
    width: 15em;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 16px;
    text-align: left;
    vertical-align: middle;
}


@media all and (min-width: 992px) {
	.dropdown-menu li{ position: relative; 	}
	.nav-item .submenu{
		display: none;
		position: absolute;
		left:100%; top:-7px;
	}
	.nav-item .submenu-left{
		right:100%; left:auto;
	}
	.dropdown-menu > li:hover{ background-color: #f1f1f1 }
	.dropdown-menu > li:hover > .submenu{ display: block; }
}

@media (max-width: 991px) {
  .dropdown-menu .dropdown-menu{
      margin-left:0.4rem; margin-right:0.4rem; margin-bottom: .5rem;
  }
}