lightdm-webkit2-greeter/web-greeter/themes/gruvbox/css/style.css

:root {
  /* Background */
  --bg: #282828;
  --bg0: #282828;
  --bg0_s: #32302f;
  --bg1: #3c3836;
  --bg2: #504945;
  --bg3: #665c54;
  --bg4: #7c6f64;

  /* Foreground */
  --fg: #ebdbb2;
  --fg0: #fbf1c7;
  --fg1: #ebdbb2;
  --fg2: #d5c4a1;
  --fg3: #bdae93;
  --fg4: #a89984;

  /* Grayer */
  --gray: #928374;
  --gray1: #a89984;
  --gray2: #928374;

  /* Normal colors */
  --red: #cc241d;
  --green: #98971a;
  --yellow: #d79921;
  --blue: #458588;
  --purple: #b16286;
  --aqua: #689d6a;
  --orange: #d65d0e;

  /* Light colors */
  --light_red: #fb4934;
  --light_green: #b8bb26;
  --light_yellow: #fabd2f;
  --light_blue: #83a598;
  --light_purple: #d3869b;
  --light_aqua: #8ec07c;
  --light_orange: #fe8019;

  color-scheme: light dark;
  --animation-duration: 300ms;

  --base-font-size: 16px;
}

/* High DPI */

@media screen and (min-width: 3000px) and (min-height: 1200px) {
  #screen {
    zoom: 2;
  }
}

html {
  color: var(--fg);
  background-color: black;
  min-height: 100%;
  position: relative;

  font-family: system-ui;
  font-size: var(--base-font-size);
  text-rendering: optimizeSpeed;
  /*image-rendering: pixelated;*/
}

html > * {
  font-family: system-ui;
  font-size: inherit;
}

body {
  display: flex;
  min-height: 100vh;
  margin: 0;
  transition: var(--animation-duration);
}

.button {
  background: var(--bg4);
  border: 0;
  padding: 0.5em;
  font-size: inherit;
  cursor: pointer;
  border-radius: 5px;
  transition: var(--animation-duration);
}

.info {
  position: absolute;
  margin: 10px;
  font-size: 2em;
  padding: 8px;
  border-radius: 5px;
  transition: var(--animation-duration);
  cursor: default;
}

.info:hover {
  background: #3c3836aa;
  backdrop-filter: blur(10px);
}

button {
  color: var(--fg);
  border: 0;
  font-size: inherit;
  font-family: inherit;
}

#background {
  height: 100vh;
  width: 100vw;
  position: absolute;

  background-color: var(--bg);
  background-image: url("../assets/bubbles.svg");
}

#cover {
  height: 100vh;
  width: 100vw;
  position: absolute;
  z-index: 10;
  transition: var(--animation-duration);

  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;

  background-color: #282828aa;
  backdrop-filter: blur(5px);
}

#cover > #message {
  font-size: 4em;
  font-weight: bold;
  cursor: default;
}
#cover:focus {
  outline: 0 !important;
}

#screen {
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#login-form {
  background: var(--bg0_s);
  border-radius: 10px;
  border-color: var(--bg4);
  border-bottom: 8px solid;
  max-height: 90vh;
  box-sizing: border-box;
  height: 22em;
  transition: var(--animation-duration);
}

#login-form:focus-within,
#login-form:hover {
  filter: drop-shadow(2px 6px 10px rgba(0, 0, 0, 0.8));
}

#login-form-box {
  position: relative;
  height: -webkit-fill-available;
  display: flex;
  padding: 1.5em 3em;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-bottom: 8px solid;
  border-color: var(--bg3);
  border-radius: 5px;
}

input {
  background-color: var(--bg1);
  color: var(--fg);
  border: 0;
  border-radius: 5px;
  padding: 0.8em;
  margin: 0.5em;
  font-family: inherit;
  font-size: inherit;
}
input:focus,
input:focus-visible {
  border: 0;
  outline: auto var(--fg);
}
#input {
  position: relative;
}
#input #pass-eye {
  position: absolute;
  right: 15px;
  top: 0;
  bottom: 0;
  margin-top: auto;
  margin-bottom: auto;
  height: fit-content;
  background-color: var(--bg1);
}
#input #pass-eye:hover,
#input #pass-eye:focus {
  background-color: var(--bg2);
}
input::-ms-reveal,
input::-ms-clear {
  display: none;
}

:focus {
  outline: auto var(--fg) !important;
}

::placeholder {
  color: var(--fg3);
}

#background-image {
  background: var(--blue);
  position: absolute;
  width: calc(10em + 12px);
  height: calc(10em + 12px);
  clip-path: circle();
  border-radius: 100%;
  transition: var(--animation-duration);
  display: flex;
  justify-content: center;
  align-items: center;
}

#background-image > i {
  font-size: 6em;
}

#user-image {
  margin: 0 0 0.5em 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#user-image > img {
  width: 10em;
  height: 10em;
  clip-path: circle();
  border-radius: 100%;
  transition: var(--animation-duration);
}

#login-form.failed #user-image > #background-image {
  background: var(--light_red);
}
#login-form.success #user-image > #background-image {
  background: var(--light_aqua);
}

#user-label {
  margin: 0.5em;
  font-size: calc(1em + 4px);
}

#pass-form > form {
  display: flex;
  align-items: center;
}

#submit-button {
  background: var(--aqua);
}
#submit-button:hover,
#submit-button:focus {
  background: var(--light_aqua);
}

#session-label {
  bottom: 0;
  left: 0;
}
#lock-label {
  top: 0;
  left: 0;
  font-weight: bold;
}

#time-date {
  top: 0;
  font-weight: bold;
  font-size: calc(1em + 2px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
#time-date span {
  display: block;
}

.label-bar {
  position: absolute;
  display: flex;
  flex-direction: row;
  margin: 10px;
  transition: var(--animation-duration);
}

.label-bar > * {
  background-color: transparent;
  padding: 8px;
  transition: var(--animation-duration);
  border-radius: 5px;
  cursor: default;
  font-weight: bold;
}

.label-bar > *.hide {
  display: none;
}

.label-bar > *:hover,
.label-bar > *:focus-within {
  background: #3c3836aa;
  backdrop-filter: blur(10px);
}

#layouts-list {
  padding: 0;
}
#layouts-button {
  all: unset;
  cursor: pointer;
  padding: 8px;
}
#layouts-dropdown {
  position: absolute;
  margin: 2px;
}

#system-status {
  top: 0;
  right: 0;
}

#system-power {
  bottom: 0;
  right: 0;
}
#system-power > * {
  background: transparent;
  font-size: 2em;
  cursor: pointer;
}
#system-power > *:hover,
#system-power > *:focus {
  background: #3c3836aa;
  backdrop-filter: blur(10px);
}

#sessions-list {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
}
#users-list {
  position: absolute;
  right: 0;
  top: 0;
  display: flex;
  align-items: flex-end;
  flex-direction: column;
}

#sessions-button {
  background: var(--blue);
  margin: 10px;
}

#users-button {
  background: var(--purple);
  margin: 10px;
  float: right;
}

.hide {
  opacity: 0;
  visibility: hidden;
}

.dropdown {
  margin: 2px 10px 10px 10px;
  background: var(--bg3);
  transition: var(--animation-duration);
  padding: 0;
  min-width: 8em;
  max-height: 60vh;
  overflow-y: auto;
}
.dropdown button {
  background: transparent;
  color: var(--fg);
  padding: 0.8em;
  width: -webkit-fill-available;
}
.dropdown button:hover,
.dropdown button:focus {
  background: var(--bg4);
}
.dropdown.hide {
  visibility: hidden;
  max-height: 0;
  opacity: 0;
}
.dropdown:not(.hide) {
  visibility: visible;
}

li {
  text-decoration: none;
  display: block;
}

#users-button:hover,
#users-button:focus {
  background: var(--light_purple);
}
#sessions-button:hover,
#sessions-button:focus {
  background: var(--light_blue);
}
.button:hover span::before,
.button:focus span::before {
  transform: rotate(180deg);
}
.button span::before {
  transition: var(--animation-duration);
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg1);
}

::-webkit-scrollbar-thumb {
  background: var(--blue);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--light_blue);
}