styles.css

/* Base */
:root {
  --header-bg-color: #24292e;
  --header-logo-color: #fff;
  --border-color: rgba(255, 255, 255, 0.15);
  --header-link-hover: rgb(255, 255, 255, 70%);
  --hover-text-blue: #0366D6;

  --border-secondary: #e1e4e8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  border: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji,
    Segoe UI Emoji;
  font-size: 14px;
  line-height: 1.5;
  /* color: var(--color-text-primary);
  background-color: var(--color-bg-canvas); */
}

a {
  text-decoration: none;
}

/* button */
.btn {
  position: relative;
  display: inline-block;
  font: inherit;
  padding: 5px 16px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid;
  border-radius: 6px;
  appearance: none;

  color: #24292e;
  background-color: #fafbfc;
  border-color: rgb(27, 31, 35, 0.15);
  box-shadow: 0 1px 0 rgba(27,31,35,0.04),inset 0 1px 0 hsla(0, 0%, 100%, 0.25);
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
  appearance: button;
}

.btn-sm {
  padding: 3px 12px;
  font-size: 12px;
  line-height: 20px;
}

.btn:hover {
  background-color: #f3f4f6;
  border-color: #1b1f2326;
}

/* Loading */

.first-page {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: larger;

  background-color: #fff;
}

.first-page.closed {
  display: none;
}

.form-wrapper {
  font-size: 14px;
  background-color: #f6f8fa;
  padding: 20px;
  border: 1px solid rgb(234, 236, 239);
  border-radius: 6px;

  width: 100%;
  max-width: 360px;
}

.form-wrapper h3 {
  text-align: center;
  font-weight: 300;
  margin: 0 0 16px;

  font-size: 24px;
}

.username-form label, .username-form input{
  display: block;
}

.username-form label {
  margin-bottom: 7px;
}

.username-field {
  font-size: 14px;
  line-height: 20px;
  color: #24292e;
  vertical-align: middle;
  background-color: #fff;
  box-shadow: inset 0 1px 0 rgba(225, 228, 232, 0.2);
  padding: 5px 12px;
  background-repeat: no-repeat;
  background-position: right 8px center;
  border-radius: 6px;
  border: 1px solid rgb(234, 236, 239);
  outline: none;

  width: 100%;
  margin-top: 5px;
  margin-bottom: 15px;
}

.username-btn {
  color: #fff;
  background-color: #2ea44f;
  border-color: #1b1f2326;
}

.username-btn:hover {
  background-color: #2c974b;
  border-color: #1b1f2326;
}

.username-btn:disabled {
  color: #ffffffcc;
  background-color: #94d3a2;
  border-color: #1b1f231a;
}

.errors p {
  background-color: #ffe3e6;
  color: #586069;
  margin: 20px 0 10px;
  padding: 8px 16px;
  border-radius: 6px;
}

/* Mobile Header */
.header-mobile {
  background-color: var(--header-bg-color);
  padding: 16px;

  display: flex;
  align-items: center;
  flex-wrap: wrap;
  overflow: hidden;
}

@media (min-width: 768px) {
  .header-mobile {
    display: none;
  }
}

.header-mobile.closed {
  height: 64px;
}

.header-mobile-item {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;

  margin-right: 16px;
  align-self: stretch;
}

.header-mobile-logo {
  flex: auto;
  justify-content: center;
  position: relative;
}

.header-mobile-last {
  margin-right: 0;
}

.header-menu-button {
  display: inline-block;
  padding: 0;
  font-size: inherit;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  background-color: initial;
  border: 0;
}

.header-link {
  font-weight: 600;
  color: var(--header-logo-color);
  white-space: nowrap;
  outline: none;
}

.header-link:hover,
.header-link:focus {
  color: var(--header-link-hover);
  text-decoration: none;
}

.header-menu-icon {
  vertical-align: text-bottom;
  display: inline-block;
  fill: currentColor;
}

.header-logo-icon {
  display: inline-block;
  vertical-align: middle;
  fill: currentColor;
}

.header-notification-icon {
  vertical-align: text-bottom;
  display: inline-block;
  fill: currentColor;
}

.notif-icon {
  position: relative;
}

.notif-unread {
  position: absolute;
  top: -6px;
  left: 6px;
  z-index: 2;
  display: inline-block;
  width: 14px;
  height: 14px;
  color: #fff;
  background-image: linear-gradient(#54a3ff, #006eed);
  background-clip: padding-box;
  border: 2px solid var(--header-bg-color);
  border-radius: 50%;
}

.header-mobile-menu {
  width: 100%;
  order: 2;
  flex-direction: column;
  margin-right: 0;
  margin-top: 16px;
  flex: auto;
}

.mobile-search {
  max-width: 100%;
  transition: 0.2s ease-in-out;
  transition-property: max-width, padding-bottom, padding-top;

  margin-bottom: 16px;
  position: relative;
  align-self: stretch;
  flex: auto;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  align-self: stretch;
}

.mobile-menu-link {
  display: block;
  padding-top: 8px;
  padding-bottom: 8px;
  border-top: 1px solid var(--border-color);
}

.mobile-menu-avi {
  display: inline-block;
  overflow: hidden;
  line-height: 1;
  vertical-align: middle;
  border-radius: 50%;
  box-shadow: 0 0 0 1px var(--color-avatar-border);
}

.mobile-sign-out {
  display: inline-block;
  vertical-align: text-bottom;
  fill: currentColor;
}

.mobile-sign-out-link {
  padding-left: 2px;
}

/* Desktop Header */
.header-desk {
  background-color: var(--header-bg-color);
  padding: 16px 24px;

  display: none;
  align-items: center;
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .header-desk {
    display: flex;
  }
}

@media (min-width: 1012px) {
  .header-desk {
    padding-left: 32px;
    padding-right: 32px;
  }
}

.header-logo {
  margin-top: -4px;
  margin-bottom: -4px;
}

.desk-nav {
  flex: auto;
}

.desk-search {
  max-width: 272px;
  transition: 0.2s ease-in-out;
  transition-property: max-width, padding-bottom, padding-top;

  margin-right: 16px;
  position: relative;
  align-self: auto;
  flex: auto;
}

.search-cont {
  position: relative;
}

.search-label {
  background-repeat: no-repeat;
  background-position: right 8px center;
  border-radius: 6px;
  outline: none;
  line-height: 20px;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 0;
  display: flex;

  width: 100%;
  max-width: 100%;
  font-size: inherit;
  font-weight: 400;
  color: #fff;
  vertical-align: middle;
  background-color: #24292e;
  border: 1px solid #444d56;
  box-shadow: none;
}

.search-input {
  padding: 5px 12px;
  vertical-align: middle;
  border-radius: 6px;
  outline: none;
  line-height: 20px;

  display: table-cell;
  width: 100%;
  padding-top: 0;
  padding-bottom: 0;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  box-shadow: none;
  min-height: 28px;
}

.search-input::placeholder {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif, Apple Color Emoji,
    Segoe UI Emoji;
  color: #bfc1c2;
}

.search-image {
  margin-right: 8px;
}

.desk-menu {
  display: flex;
}

.menu-link {
  padding-top: 16px;
  padding-bottom: 16px;
  margin-top: -16px;
  margin-bottom: -16px;
  margin-right: 16px;
}

.header-dropdown {
  position: relative;
}

details summary::-webkit-details-marker {
  display: none;
}

details summary {
  cursor: pointer;
}

.dropdown-details > summary {
  display: list-item;
  list-style: none;
}

.details-plus {
  display: inline-block;
  vertical-align: text-bottom;
  fill: currentColor;
}

.details-menu {
  position: absolute;
  top: 100%;
  right: 0;
  left: auto;
  z-index: 100;
  width: 160px;
  padding-top: 4px;
  padding-bottom: 4px;
  margin-top: 2px;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid var(--border-secondary);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(149, 157, 165, 0.2);
}

.details-menu::before {
  position: absolute;
  display: inline-block;
  content: "";
  border: 8px solid transparent;
  border-bottom: 8px solid var(--border-secondary);
  top: -16px;
  right: 9px;
  left: auto;
}

.details-menu-divider {
  display: block;
  height: 0;
  margin: 8px 0;
  border-top: 1px solid var(--border-secondary);
}

.details-item {
  display: block;
  padding: 4px 8px 4px 16px;
  overflow: hidden;
  color: #24292e;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.details-item:hover,
.details-item:focus {
  color: #fff;
  text-decoration: none;
  background-color: var(--hover-text-blue);
  outline: none;
}

.current-user {
  padding-bottom: 0;
  font-size: inherit;
}

.user-link {
  display: block;
  color: #24292e;
  padding: 8px 16px;
  margin-top: -4px;
  margin-bottom: -8px;
}

.downward-caret {
  display: inline-block;
  width: 0;
  height: 0;
  vertical-align: middle;
  content: "";
  border-top-style: solid;
  border-top-width: 4px;
  border-right: 4px solid transparent;
  border-bottom: 0 solid transparent;
  border-left: 4px solid transparent;
}

details:not([open]) > :not(summary) {
  display: none;
}

.status {
  padding-right: 16px;
  padding-left: 16px;
  font-size: 12px;
  line-height: 1.25;
  white-space: normal;
  word-break: break-word;
}

.status-cont {
  border: 1px solid var(--border-secondary);
  margin-top: 8px;
  padding-top: 4px;
  padding-bottom: 4px;
  padding-left: 8px;
  padding-right: 8px;
  border-radius: 6px;
}

.status-inside {
  width: 100%;
  text-align: center;

  display: flex;
  padding: 0;
  font-size: inherit;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  background-color: initial;
  border: 0;
  color: #586069;

  text-decoration: none;
  list-style: none;

  align-items: stretch
}

.status-emoji {
  margin-right: 8px;
  font-size: 1.25em;
}

.status-message {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;

  line-height: 20px;

}

.status-cont:hover .status-message {
  color: var(--hover-text-blue);
}

/* footer styles */
.footer {
  padding: 0 16px;
}

.footer-wrapper {
  padding-top: 40px;
  padding-bottom: 40px;
  margin-top: 40px;

  font-size: 12px;
}

.footer-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;

  padding: 0;
  margin: 0;
  margin-bottom: 8px;
}

.footer-item {
  display: block;
  margin-right: 16px;
}

.footer-item:last-child {
  margin-right: 0;
}

.footer-link {
  color: var(--hover-text-blue);
}

.footer-link:hover {
  text-decoration: underline;
}

@media (min-width: 544px) {
  .footer {
    padding: 0 40px;
  }
}

/* Main Content */
.main-wrapper {
  display: flex;
  flex-direction: column;

  padding: 0 16px;
  max-width: 1280px;
  margin: auto;
}

@media (min-width: 768px) {
  .main-wrapper {
    flex-direction: row;
    padding: 0 16px;
  }
}

.profile {
  margin-bottom: 24px;
  flex-shrink: 0;
}

.sticky-profile {
  position: fixed;
  top: 0;
  z-index: 90;
  width: 233px;
  opacity: 0;
  transition: .2s;
  display: none;
}

.sticky-profile.is-shown {
  opacity: 1;
}

.sticky-profile-wrapper {
  position: relative;
  top: 1px;
  z-index: 110;
  height: 54px;

  display: flex;
  align-items: center;
}

.sticky-profile-image {
  width: 32px;
  line-height: 1;
  margin-right: 8px;
}

.sticky-profile-image img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.sticky-profile-username {
  line-height: 1.25;
  font-weight: 600;
}

.profile-person {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
}

.person-image {
  flex-shrink: 0;
  margin-right: 16px;
  width: 16.66667%;

  position: relative;
  z-index: 4;
}

.person-image a {
  display: flex;
}

.person-image img {
  border-radius: 50%;
  border: 1px solid var(--border-secondary);

  display: inline-block;
  overflow: hidden;
  width: 100%;
}

.image-status {
  display: none;
  position: relative;
}

.image-status-wrapper {
  position: absolute;
  bottom: 0;
  left: 100%;
  z-index: 2;
  width: 38px;
  height: 38px;
  margin-bottom: 32px;
  margin-left: -40px;

  font-size: 14px;

  background-color: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 2em;
  box-shadow: 0 1px 0 rgba(27,31,35,0.04);

  display: flex;
  justify-content: center;
  align-items: center;
}

.image-status-emoji {
  line-height: 1;
}

.person-name {
  padding: 16px 0;
}

.person-name h1 {
  font-size: 32px;
  font-weight: 600;
  margin: 0 auto;
}

.person-fullname {
  display: block;
  font-size: 26px;
  line-height: 1.25;
}

.person-username  {
  display: block;
  font-size: 20px;
  font-style: normal;
  font-weight: 300;
  line-height: 24px;
}

.profile-status {
  margin-bottom: 8px;
}

.person-status {
  padding: 0;
  margin-top: 8px;
}

@media (min-width: 768px) {
  .profile {
    margin-bottom: 0px;
    padding: 0 8px;
    width: 25%;
  }

  .sticky-profile {
    display: block;
  }

  .profile-wrapper {
    margin-top: -32px;
  }

  .profile-person {
    margin-bottom: 0;
    display: block;
  }

  .person-image {
    width: 100%;
    margin-right: 0;
  }

  .image-status {
    display: block;
  }

  .profile-status {
    display: none;
  }
}

@media (min-width: 1012px) {
  .profile {
    padding: 0 16px;
  }
}

.profile-info {
  display: flex;
  flex-direction: column;
}

.info-bio {
  font-size: 16px;
  margin-bottom: 16px;
}

.info-edit {
  margin-bottom: 16px;
}

.info-follows {
  margin-top: 8px;
  margin-bottom: 16px;
  order: 1;
}

.info-follows a {
  color: #586069;
}

.info-follows a svg {
  display: inline-block;
  overflow: visible;
  vertical-align: text-bottom;
  fill: currentColor;
}

.info-follows a span {
  font-weight: 600;
  color: #24292e;
}

.repos {
  margin-bottom: 24px;
  flex-shrink: 0;
}

.repos-nav-wrapper {
  margin: 0 -16px;
  padding: 0 16px;

  border-bottom: 1px solid #d1d5da;
  background-color: #fff;
  z-index: 3;
  overflow-x: auto;
  overflow-y: hidden;
  position: sticky;
  top: 0;
}

.repos-nav {
  display: flex;
}

.repos-nav a {
  padding: 8px 16px;
  font-size: 14px;
  line-height: 20px;
  color: #24292e;
  text-align: center;
  white-space: nowrap;
  background-color: initial;
  border: 0;
  border-bottom: 2px solid transparent;
}

.repos-nav a.repos-nav-selected {
  font-weight: 600;
  color: #24292e;
  border-bottom-color: #f9826c;
  outline: 1px dotted transparent;
  outline-offset: -1px;
}

.repos-nav a span {
  display: inline-block;
  min-width: 20px;
  padding: 0 6px;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  color: #24292e;
  text-align: center;
  background-color: #d1d5da80;
  border: 1px solid transparent;
  border-radius: 2em;
  margin-left: 4px;
}

@media (min-width: 768px) {
  .repos {
    margin-bottom: 0;
    width: 75%;
    padding: 0 8px;
  }

  .repos-nav-wrapper {
    display: none;
  }
}

@media (min-width: 1012px) {
  .repos {
    padding: 0 16px;
  }
}

.repos-tools {
  border-bottom: 1px solid #eaecef;
  padding: 16px 0;
}

.repos-tools input {
  padding: 5px 12px;
  width: 100%;
  font-size: 14px;
  line-height: 20px;
  color: #24292e;
  vertical-align: middle;
  background-color: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 6px;
  outline: none;
  box-shadow: inset 0 1px 0 hsla(0, 0%, 100%, 0.25);
}

.repos-list {
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.repo {
  padding: 24px 0;
  width: 100%;
  display: flex;

  border-bottom: 1px solid #eaecef;
}

.repo-info {
  width: 83.33333%;
}

.repo-name {
  display: inline-block;
  margin-bottom: 4px;
}

.repo-name h3 {
  font-size: 20px;
  font-weight: 600;

  margin: 0 auto;
}

.repo-name h3 a {
  color: #0366D6;
}

.repo-label {
  margin-right: 1px;
  margin-bottom: 1px;
  vertical-align: middle;

  display: inline-block;
  padding: 0 7px;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  border-radius: 2em;
  background-color: initial;
  border: 1px solid #e1e4e8;
  color: #586069;
}

.repo-forked {
  font-size: 12px;
  margin-bottom: 4px;
  color: #586069;
}

.repo-bio p {
  margin-top: 0;
  margin-bottom: 8px;
  width: 75%;
  color: #586069;
  padding-right: 24px;
}

.repo-tags {
  display: inline-flex;
  height: 30px;
  overflow: hidden;

  flex-wrap: wrap;
  margin-top: 4px;
  margin-bottom: 4px;
  font-size: 12px;
}

.repo-tags a {
  margin: 4px .125em 4px 0;

  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: 2em;
  padding: 0 10px;
  line-height: 22px;
  color: #0366d6;
  background-color: #f1f8ff;
}

.repo-footer {
  margin-top: 8px;
  font-size: 12px;
  color: #586069;
}

.repo-lang {
  margin-right: 16px;
}

.lang-color {
  position: relative;
  top: 1px;
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1px solid #1b1f231a;
  border-radius: 50%;
}

.repo-forks, .repo-stars {
  color: #586069;
  margin-right: 16px;
}

.repo-forks svg, .repo-stars svg {
  display: inline-block;
  overflow: visible!important;
  vertical-align: text-bottom;
  fill: currentColor;
}

.repo-updated {
  white-space: nowrap;
}

.repo-button {
  display: flex;
  width: 16.66667%;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
}

.repo-button svg {
  display: inline-block;
  overflow: visible;
  vertical-align: text-top;
  margin-right: 4px;
  color: #6a737d;
  fill: currentColor;
}

.main-desk-nav {
  display: none;
  margin-top: 24px;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 3;

  background-color: #fff;
  border-bottom: 1px solid #eaecef;
}

.main-nav-wrapper {
  padding: 0 16px;
  max-width: 1280px;
  margin: 0 auto;

  display: flex;
}

.main-nav-profile {
  width: 25%;
  padding: 0 8px;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  width: 75%;
  flex-shrink: 0;
  padding: 0 8px;
}

.main-nav a {
  padding: 8px 16px;
  font-size: 14px;
  line-height: 30px;
  color: #24292e;
  text-align: center;
  white-space: nowrap;
  background-color: initial;
  border: 0;
  border-bottom: 2px solid transparent;
}

.main-nav a svg {
  display: inline-block;
  overflow: visible;
  vertical-align: text-bottom;
  fill: currentColor;

  margin-right: 4px;
  color: #959da5;
}

.main-nav a.main-nav-selected {
  font-weight: 600;
  color: #24292e;
  border-bottom-color: #f9826c;
  outline: 1px dotted transparent;
  outline-offset: -1px;
}

.main-nav a.main-nav-selected svg {
  color: #24292e;
}

.main-nav a span {
  display: inline-block;
  min-width: 20px;
  padding: 0 6px;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  color: #24292e;
  text-align: center;
  background-color: #d1d5da80;
  border: 1px solid transparent;
  border-radius: 2em;
  margin-left: 4px;
}

@media (min-width: 768px) {
  .main-desk-nav {
    display: block;
  }
}

@media (min-width: 1012px) {
  .main-nav-wrapper {
    padding: 0 32px;
  }
}