:root {
  --background-color: #212529;
  --text-color: #ededed;
  --primary-color: #133b6e;
  --accent-color: #dc7c28;
  --link-color: #70b3ff;
  --border1-color: #dc7c28;
  --border2-color: #3d444d;
}

body {
  box-sizing: border-box;
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: sans-serif;
  font-weight: 400;
  line-height: 1.5;
  margin: 0 auto;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  font-size: 100%;
}

h1 {
  font-size: 1.8rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.1rem;
}

h5 {
  font-size: 1rem;
}

small {
  font-size: 0.667rem; /* 10.72px */
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-top: 24px;
  margin-bottom: 10px;
  color: var(--text-color);
  line-height: 1.2;
  font-weight: 700;
}

p {
  margin-top: 8px;
}

ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
}

ul,
ol {
  list-style-position: inside;
  padding-left: 0px;
}

ul {
  list-style-type: disc;
}

ul ul {
  list-style-type: disc;
  padding-left: 10px;
}

.container {
  max-width: 40rem;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding: 10px;
}

@media (min-width: 576px) {
  .container {
    width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    width: 1140px;
  }
}

hr {
  background-color: var(--border1-color);
}

blockquote {
  border-left: 4px solid var(--border1-color);
  margin-left: 0px;
  padding-left: 10px;
}

a {
  border-bottom: 2px solid transparent;
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  border-bottom: 2px solid var(--link-color);
  text-decoration: none;
}

main {
  color: var(--text-color);
  font-size: 1.1rem;
}

main img {
  max-width: 100%;
}

/* code blocks */
figure {
  margin: 0;
}

pre {
  padding: 8px;
  border: 1px solid var(--border2-color);
}

pre code {
  overflow-x: scroll;
  display: block;
  border-radius: 0;
  color: #e1e4e8;
}

.title h1 {
  margin-top: 0px;
  margin-bottom: 0px;
}

/* header/footer */
header {
  color: var(--text-color);
  margin-bottom: 5px;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
}

nav ul {
  list-style-type: none;
  flex-direction: row;
  gap: 25px;
}

nav li {
  font-weight: bold;
  padding-top: 2px;
  padding-bottom: 2px;
}

footer {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  margin-bottom: 20px;
  padding-top: 10px;
  padding-bottom: 10px;
  border-top: 3px solid var(--border1-color);
  color: var(--text-color);
}


/* blog-list */
.blog-list {
  flex-direction: column;
  gap: 5px;
  margin-top: 0;
  margin-bottom: 10px;
  list-style: none;
  padding: 0;
}

.blog-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 0px;
}

.blog-item a {
  font-size: 1.063rem;
  font-weight: bold;
}

.blog-item-meta {
  font-size: 0.875rem;
}


/* index content */
.index-content .title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.index-content .title img {
  width: 64px;
  height: 64px;
  border-radius: 5px;
}


/* blog content */
.blog-content .title {
  margin-bottom: 10px;
}


/* blog-page content */
.blog-page-content .title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-bottom: 3px solid var(--border1-color);
  margin-bottom: 20px;
}

.blog-page-content .title h1 {
  margin-top: 0px;
  margin-bottom: 0px;
}

.blog-page-content .title span {
  margin-bottom: 10px;
  font-size: 0.875rem;
  font-weight: normal;
  color: var(--text-color);
}

.blog-page-content p {
  font-family: serif;
}

.blog-page-content li {
  font-family: serif;
}