fork from https://github.com/ronilaukkarinen/miniflux-theme-midnight/blob/master/style.css

Miniflux-light-theme.css

@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Noto+Serif+SC:wght@300;400;500&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Merriweather:wght@700;900&display=swap");

:root {
  --width-body: 900px;
  --item-title-link-line-height: 1.23;
  --entry-content-line-height: 1.5;
  --item-title-link-font-size: 28px;
  --font-size-smaller: 16px;
  --font-size-meta: var(--font-size-smaller);
  --font-size-larger: 20px;
  --font-size-body: 18px;
  --item-meta-color: #1e293b;
  --item-meta-li-color-hover: #1e293b;
  --entry-date-color: #;
  --input-placeholder-color: #1e293b;
  --entry-header-border-color: transparent;
  --pagination-border-color: transparent;
  --font-family:"IBM Plex Sans", sans-serif,Noto Serif SC,
    "Inter", system-ui, -apple-system, "Segoe UI", roboto, "Helvetica Neue",
    arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol", "Noto Color Emoji";
  --body-color: #1e293b;
  --body-background: #f8fafc;
  --hr-border-color: #555;
  --title-color: #0f172a;
  --link-color: #0f172a;
  --link-focus-color: #1e293b;
  --link-hover-color: #0f172a;
  --header-list-border-color: #333;
  --header-link-color: #1e293b;
  --header-link-focus-color: rgba(82, 168, 236, 0.85);
  --header-link-hover-color: rgba(82, 168, 236, 0.85);
  --header-active-link-color: #9b9494;
  --page-header-title-color: #44403c;
  --page-header-title-border-color: #333;
  --logo-color: #111827;
  --logo-hover-color-span: #1e293b;
  --table-border-color: #555;
  --table-th-background: #333;
  --table-th-color: var(--color-white);
  --table-tr-hover-background-color: #333;
  --table-tr-hover-color: var(--color-white);
  --button-primary-border-color: transparent;
  --button-primary-background: #000;
  --button-primary-color: #fff;
  --button-primary-focus-border-color: #888;
  --button-primary-focus-background: #555;
  --input-border: 0;
  --input-background: #000;
  --input-color: #fff;
  --input-focus-color: #fff;
  --input-focus-border-color: rgba(82, 168, 236, 0.8);
  --input-focus-box-shadow: 0;
  --alert-color: #efefef;
  --alert-background-color: transparent;
  --alert-border-color: transparent;
  --alert-success-color: #2eb54d;
  --alert-success-background-color: transparent;
  --alert-success-border-color: transparent;
  --alert-error-color: #efefef;
  --alert-error-background-color: #333;
  --alert-error-border-color: #888;
  --alert-info-color: #efefef;
  --alert-info-background-color: transparent;
  --alert-info-border-color: transparent;
  --panel-background: #333;
  --panel-border-color: #555;
  --panel-color: #9b9b9b;
  --modal-background: #333;
  --modal-color: #1e293b;
  --modal-box-shadow: 0 0 10px rgba(82, 168, 236, 0.6);
  --pagination-link-color: var(--color-white);
  --category-color: #1e293b;
  --category-background-color: #333;
  --category-border-color: #888;
  --category-link-color: #999;
  --category-link-hover-color: var(--color-white);
  --item-border-color: transparent;
  --item-padding: 10px;
  --item-title-link-font-weight: 700;
  --item-status-read-title-link-color: #aaa;
  --item-status-read-title-focus-color: rgba(82, 168, 236, 0.6);
  --item-meta-focus-color: var(--color-white);
  --item-meta-li-color: #888;
  --current-item-border-width: 2px;
  --current-item-border-color: transparent;
  --current-item-box-shadow: 0 0 8px rgba(82, 168, 236, 0.6);
  --entry-header-title-link-color: var(--color-white);
  --entry-content-color: var(--color-white);
  --entry-content-code-color: var(--color-white);
  --entry-content-code-background: #bfdbfe;
  --entry-content-code-border-color: transparent;
  --entry-content-quote-color: #777;
  --entry-content-abbr-border-color: #777;
  --entry-enclosure-border-color: #333;
  --parsing-error-color: #eee;
  --feed-parsing-error-background-color: transparent;
  --keyboard-shortcuts-li-color: #9b9b9b;
  --counter-color: #1e293b;
}

@media (max-width: 600px) {
  :root {
    --item-title-link-font-size: 24px;
  }
}

@media (max-width: 600px) {
  :root {
    --item-padding: 15px;
  }
}

.logo {
  color: var(--color-white);
  font-family: "Merriweather", serif;
  font-weight: 900;
  margin-left: 0;
  position: relative;
}

@media (max-width: 600px) {
  .logo {
    margin-bottom: 40px;
  }
  .entry-content {
    font-size: 1rem;
  }
}

.logo a,
.logo a span {
  color: #71717a;
  font-family: "Merriweather", serif;
  font-weight: 900;
  letter-spacing: 0;
  transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.2s cubic-bezier(0.19, 1, 0.22, 1);
}

.logo a:hover,
.logo a:hover span,
.logo a:focus,
.logo a:focus span {
  color: var(--color-white);
  opacity: 0.7;
}
@media (max-width: 600px) {
  margin-bottom: 40px;
}
body {
  font-size: var(--font-size-body);
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  max-width: var(--width-body);
  text-rendering: geometricPrecision;
}

body main,
body .header {
  padding-bottom: var(--item-padding);
  padding-left: var(--item-padding);
  padding-right: var(--item-padding);
  padding-top: var(--item-padding);
}

.header ul,
.header li {
  list-style: none;
}

.flash-message,
.alert-success {
  padding-left: 5px;
  padding-right: 5px;
}

.page-header > h1 {
  padding-bottom: 10px;
}

.page-header + p.alert,
.page-header + p.alert.alert-info {
  background-image: url("https://www.rollemaa.fi/done.svg");
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: 400px auto;
  border-radius: 4px;
  height: 400px;
  overflow: auto;
  text-align: center;
}

@media (max-width: 600px) {
  .page-header + p.alert,
  .page-header + p.alert.alert-info {
    background-size: 230px auto;
    height: 250px;
  }
}

.page-header > ul {
  list-style: none;
  margin-left: 0;
  margin-top: 10px;
  padding-left: 0;
}

.page-header > ul a {
  font-size: var(--font-size-larger);
  opacity: 0.5;
  text-decoration: none;
  transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.2s cubic-bezier(0.19, 1, 0.22, 1);
}

.page-header > ul a:hover,
.page-header > ul a:focus {
  opacity: 1;
}

.items {
  overflow: visible;
}

body .item {
  display: grid;
  margin-bottom: 20px;
  margin-top: 30px;
  overflow: visible;
  padding-left: 0;
  padding-right: 0;
}

.item-title img {
  display: none;
}

.item-title {
  display: block;
  font-size: var(--item-title-link-font-size);
  line-height: var(--item-title-link-line-height);
}

/* .item-title a {
    /* background: rgb(224, 242, 254, 0.25); */

.item-title a:hover {
  background: #bfdbfe;
  transition: all 0.3s;
}

.category {
  background-color: transparent;
  border: 0;
  border-radius: 0;
  clear: left;
  display: inline-block;
  float: left;
  font-size: inherit;
  margin-bottom: 10px;
  margin-left: 0;
  margin-right: 10px;
  margin-top: 10px;
  padding: 0;
  white-space: normal;
}

.category a {
  border: 1px solid transparent;
  border-radius: 2em;
  color: var(--category-link-color);
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  padding: 2px 7px;
}

.category a[href="/category/1/entries"] {
  background-color: #2e363e;
  border-color: #5b6876;
  color: #bbd5eb;
}

.category a[href="/category/2/entries"] {
  background-color: #0d2816;
  border-color: #125c1a;
  color: #1fd622;
}

.category a[href="/category/3/entries"] {
  background-color: #2e1528;
  border-color: #673d56;
  color: #e697bf;
}

.category a[href="/category/4/entries"] {
  background-color: #1e2933;
  border-color: #3f5772;
  color: #80b5ea;
}

.category a[href="/category/5/entries"] {
  background-color: #252c1d;
  border-color: #56723f;
  color: #b0ea80;
}

.category a[href="/category/6/entries"] {
  background-color: #25181c;
  border-color: #723f53;
  color: #ea80a3;
}

.category a[href="/category/7/entries"] {
  background-color: #28280d;
  border-color: #5c5512;
  color: #cad61f;
}

.category a[href="/category/8/entries"] {
  background-color: #100d28;
  border-color: #292a81;
  color: #5654e0;
}

.category a[href="/category/9/entries"] {
  background-color: #0d2328;
  border-color: #296c81;
  color: #54d4e0;
}

.category a[href="/category/10/entries"] {
  background-color: #20280d;
  border-color: #628129;
  color: #b6e054;
}

.category a[href="/category/11/entries"] {
  background-color: #2e363e;
  border-color: #5b6876;
  color: #bbd5eb;
}

.category a[href="/category/12/entries"] {
  background-color: #0d2816;
  border-color: #125c1a;
  color: #1fd622;
}

.category a[href="/category/13/entries"] {
  background-color: #2e1528;
  border-color: #673d56;
  color: #e697bf;
}

.category a[href="/category/14/entries"] {
  background-color: #1e2933;
  border-color: #3f5772;
  color: #80b5ea;
}

.category a[href="/category/15/entries"] {
  background-color: #252c1d;
  border-color: #56723f;
  color: #b0ea80;
}

.category a[href="/category/16/entries"] {
  background-color: #25181c;
  border-color: #723f53;
  color: #ea80a3;
}

.category a[href="/category/17/entries"] {
  background-color: #28280d;
  border-color: #5c5512;
  color: #cad61f;
}

.category a[href="/category/18/entries"] {
  background-color: #100d28;
  border-color: #292a81;
  color: #5654e0;
}

.category a[href="/category/19/entries"] {
  background-color: #0d2328;
  border-color: #296c81;
  color: #54d4e0;
}

.category a[href="/category/20/entries"] {
  background-color: #20280d;
  border-color: #628129;
  color: #b6e054;
}

.item-meta li,
.item-meta a {
  color: var(--item-meta-li-color);
}

.item-meta a {
  transition: color 0.5s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.2s cubic-bezier(0.19, 1, 0.22, 1);
}

.item-meta a:hover,
.item-meta a:focus {
  color: var(--item-meta-li-color-hover);
}

.item-meta .item-meta-info {
  margin-top: 5px;
}

.item-meta .item-meta-icons {
  clear: both;
  float: left;
  opacity: 0.7;
  transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.2s cubic-bezier(0.19, 1, 0.22, 1);
}

.item-meta .item-meta-icons:hover,
.item-meta .item-meta-icons:focus {
  opacity: 1;
}

.entry {
  padding: 0;
}

.entry-content {
  line-height: var(--entry-content-line-height);
  font-size: 1.15rem;
}

body .entry-header h1 {
  margin: 80px 0 20px;
}

.entry-header {
  margin-bottom: 40px;
  margin-top: 60px;
  position: relative;
}

.entry-header .entry-date {
  font-size: 16px;
  font-style: normal;
  margin-bottom: -30px;
  margin-top: 0;
  opacity: 0.4;
  text-align: right;
}

.entry-header .entry-meta {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.entry-header .entry-meta * {
  font-size: var(--font-size-meta);
}

.entry-header .entry-meta .category {
  float: none;
  margin-bottom: 20px;
  margin-top: 0;
  order: 1;
  width: 100%;
}

.entry-header .entry-meta .category a {
  font-weight: 500;
  line-height: 18px;
  padding: 4px 12px;
}

.entry-header .entry-meta .entry-website {
  filter: grayscale(100%);
  order: 2;
  position: absolute;
  right: 0;
}

.entry-header .entry-meta .entry-author {
  margin-left: 0;
  margin-top: 25px;
  order: 3;
  position: absolute;
  right: 0;
}

@media (max-width: 600px) {
  .entry-header,
  body .entry-header h1 {
    margin-top: 0;
  }
}

.entry header h1 a:hover,
.entry header h1 a:focus {
  color: var(--color-white);
}

.entry-content figure img {
  border: none;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.entry-content img {
  display: block;
  margin: 0 auto;
}

.entry-content figcaption {
  margin: 0 auto;
  display: block;
  text-align: center;
}

blockquote {
  font-family: "Noto Sans SC", sans-serif;
}

.entry-website,
.entry-author,
.entry-date {
  color: var(--item-meta-color);
  opacity: 0.8;
}

.entry-website img {
  vertical-align: middle;
}

.entry-website a,
.entry-author a,
.entry-date a {
  color: var(--item-meta-color);
  opacity: 1;
}

.item-meta .icon,
.entry-actions .icon {
  margin-right: 5px;
}

@media (prefers-reduced-motion: no-preference) {
  .item.current-item,
  .item,
  :focus,
  *:focus,
  [data-whatinput="keyboard"] :focus,
  [data-whatinput="keyboard"] a:focus {
    outline-offset: 5px;
    transition: outline-offset 0.25s ease;
  }
}

.pagination-top {
  display: none;
}

.pagination {
  padding: var(--item-padding);
}

body .pagination-bottom {
  margin-bottom: 60px;
}

body .pagination-bottom a {
  font-size: var(--font-size-smaller);
  text-decoration: none;
}

.page-footer {
  margin-bottom: 30px;
  margin-top: 30px;
  padding-left: 0;
  padding-right: 0;
}

.page-footer a {
  font-size: var(--font-size-larger);
  opacity: 0.5;
  text-decoration: none;
  transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1),
    background-color 0.2s cubic-bezier(0.19, 1, 0.22, 1);
}

.page-footer a:hover,
.page-footer a:focus {
  opacity: 1;
}

.page-header li,
.page-footer li {
  list-style: none;
}

body .page-header ul,
body .page-footer ul {
  margin-left: 0;
}

.entry-content pre,
.entry-content code {
  border-radius: 4px;
}

.entry-content pre code {
  font-size: var(--font-size-smaller);
}

.entry-content pre {
  line-height: 1.33;
  padding: 15px;
}

.entry-content p {
  margin-top: 0.8rem;
}

.entry-content img {
  border: none;
  border-radius: 8px;
}

.feed-entries-counter {
  font-size: var(--font-size-smaller);
  margin-left: 5px;
  opacity: 0.5;
  position: relative;
  top: 12px;
}

input[type="search"],
input[type="url"],
input[type="password"],
input[type="text"],
input[type="number"],
select,
textarea {
  background-color: var(--input-background);
  border: 0;
  border-radius: 0;
  color: var(--input-color);
  padding: 10px;
}

.button-primary {
  border: 0;
  border-radius: 0;
  padding: 10px 20px;
}

article.feed-parsing-error {
  border-color: transparent;
}

.parsing-error {
  margin-top: 10px;
}

.item.current-item {
  border: 1px dotted var(--item-border-color);
  box-shadow: none;
  display: grid;
  margin-bottom: 20px;
  margin-top: 30px;
  /* outline: .2em dashed #3df57f; */
  /* outline-offset: 20px; */
  overflow: visible;
  padding-bottom: var(--item-padding);
  padding-left: 0;
  padding-right: 0;
  padding-top: var(--item-padding);
}

.item.current-item *:focus {
  outline: none;
}

/*# sourceMappingURL=style.css.map */

.header a {
  align-items: center;
  display: inline-flex;
  gap: 0.2rem;
}

.header .logo a {
  display: inline-block;
}

// More visible error counter
.unread-counter-wrapper,
.error-feeds-counter-wrapper {
  visibility: hidden;
}

.unread-counter,
.error-feeds-counter {
  visibility: visible;
}

.header a .unread-counter,
.header a .error-feeds-counter {
  align-items: center;
  border-radius: 50%;
  color: #fff !important;
  display: inline-flex;
  font-size: 11px;
  font-weight: 700;
  height: 22px;
  justify-content: center;
  line-height: 1.5;
  width: 22px;
}

.header a .error-feeds-counter {
  background-color: #d96d6d;
}

.header a .unread-counter {
  background-color: #93d96d;
}