gnu-social/public/assets/css/base.css

:root {
      /* fonts */
      --head-font: 'Montserrat', sans-serif;
      --main-font: 'Open Sans', sans-serif;

      /* font and margin sizes */
      --main-size: 1.15em;
      --medium-size: 0.75em;
      --small-size: 0.65em;
      --unit-size: 1em;
      --side-margin: 2em;
      --nav-size: 15em;

      /* colours and shadows */
      --fg: #eceff4;
      --accent: #81a1c1;
      --accent-low: #81a1c160;
      --bg1: #2e3440;
      --bg2: #3b4252;
      --bg3: #434c5e;
      --bg4: #4c566a;
      --bg5: #d8dee9;
      --shadow:  0px 0px 20px 0px rgba(46,52,64,0.95);
}

/* DEFAULTS */
body,
html {
      background: var(--bg1);
      background-attachment: fixed;
      background-size: cover;
      color: var(--fg);
      font-family: var(--main-font);
      font-size: var(--main-size);
      margin: 0;
      padding: 0;
}

hr {
      margin: 0;
      color: var(--accent-low);
}

ul {
      text-decoration: none;
      margin: 0;
      padding: 0;
      list-style: none;
}

li {
      margin: 0;
      padding: 0;
}

a:link {
      text-decoration: none;
      outline: 0;
      color: var(--fg);
}
a:visited {
      outline: 0;
      color: var(--fg);
      margin: 0;
      padding: 0;
}
a:hover {
      color: var(--fg);
      transition: all 0.8s ease;
}
a:focus {
      color: var(--fg);
      transition: all 0.8s ease;
}

b {
      font-family: var(--head-font);
      font-weight: 800;
}

/* HEADER */
#header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: var(--accent);
      padding: var(--main-size);
      height: var(--main-size);
}

#top {
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      width: 100%;
}

.icon-menu {
      margin: 0;
      padding: 0;
      display: none;
      width: var(--unit-size);
      height: var(--unit-size);
      stroke-width: 0;
      stroke: currentColor;
      fill: currentColor;
}

#instance {
      order: 2;
}

#instance b {
      margin: 0;
      padding: 0;
      vertical-align: middle;
      margin-left: calc(0.2 * var(--unit-size));
      color: var(--bg1);
}

.icon-logo {
      margin: 0;
      padding: 0;
      display: inline-block;
      width: var(--unit-size);
      height: var(--unit-size);
      stroke-width: 0;
      stroke: currentColor;
      fill: var(--bg1);
      vertical-align: middle;
}

#left-panel {
      order: 1;
}

/* left panel z-index fix */
.form {
      position: relative;
      z-index: 0;
}
#header {
      z-index: 1;
}

/* RIGHT PANEL */
#right-panel {
      order: 3;
}

.arrow {
      border: solid var(--fg);
      border-width: 0 3px 3px 0;
      display: none;
      padding: 0.3em;
}
.right {
      transform: rotate(135deg);
      -webkit-transform: rotate(135deg);
}

.rss {
      display: flex;
      flex-direction: column;
      width: var(--nav-size);
      height: calc(100vh - (3 * var(--unit-size)));
      position: fixed;
      background-color: var(--bg1);
      margin-top: calc(3 * var(--main-size));
      z-index: 0;
      border-left: solid 1px var(--accent-low);
}

input.larger {
      width: var(--main-size);
      height: calc( 2 * var(--main-size));
}

/* untoggled */
.rss {
      right: 0;
      top: 0;
      transition: 0.3s ease;
}
.arrow label {
      display: block;
      cursor: pointer;
}
#toggle-right {
      position: absolute;
      z-index: 2;
      cursor: pointer;
      opacity: 0;
}
#toggle-right:not(:checked)+.arrow {
      transform: rotate(135deg);
      transition: 0.3s ease;
}

/* toggled */
#toggle-right:checked~.rss {
      display: flex;
      right: 0;
      top: 0;
      transition: 0.3s ease;
}
#toggle-right:checked+.arrow {
      transform: rotate(-45deg);
      transition: 0.3s ease;
}

/* styling radio buttons and checkboxes */
.content input[type="checkbox"] + label::before {
      content: '';
      position: relative;
      display: inline-block;
      margin-right: 5px;
      width: var(--medium-size);
      height: var(--medium-size);
      background: var(--fg);
      border-radius: 10%
}
.content input[type="checkbox"]:checked + label::before {
      background: var(--accent);
      border-radius: 10%;
      background-image: url(data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiIHN0YW5kYWxvbmU9Im5vIj8+PHN2ZyAgIHhtbG5zOmRjPSJodHRwOi8vcHVybC5vcmcvZGMvZWxlbWVudHMvMS4xLyIgICB4bWxuczpjYz0iaHR0cDovL2NyZWF0aXZlY29tbW9ucy5vcmcvbnMjIiAgIHhtbG5zOnJkZj0iaHR0cDovL3d3dy53My5vcmcvMTk5OS8wMi8yMi1yZGYtc3ludGF4LW5zIyIgICB4bWxuczpzdmc9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiAgIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgICB4bWxuczpzb2RpcG9kaT0iaHR0cDovL3NvZGlwb2RpLnNvdXJjZWZvcmdlLm5ldC9EVEQvc29kaXBvZGktMC5kdGQiICAgeG1sbnM6aW5rc2NhcGU9Imh0dHA6Ly93d3cuaW5rc2NhcGUub3JnL25hbWVzcGFjZXMvaW5rc2NhcGUiICAgdmVyc2lvbj0iMS4xIiAgIHdpZHRoPSIzMiIgICBoZWlnaHQ9IjMyIiAgIHZpZXdCb3g9IjAgMCAzMiAzMiIgICBpZD0ic3ZnNiIgICBzb2RpcG9kaTpkb2NuYW1lPSJjaGVja21hcmsuc3ZnIiAgIGlua3NjYXBlOnZlcnNpb249IjEuMCAoNDAzNWE0ZmI0OSwgMjAyMC0wNS0wMSkiPiAgPG1ldGFkYXRhICAgICBpZD0ibWV0YWRhdGExMiI+ICAgIDxyZGY6UkRGPiAgICAgIDxjYzpXb3JrICAgICAgICAgcmRmOmFib3V0PSIiPiAgICAgICAgPGRjOmZvcm1hdD5pbWFnZS9zdmcreG1sPC9kYzpmb3JtYXQ+ICAgICAgICA8ZGM6dHlwZSAgICAgICAgICAgcmRmOnJlc291cmNlPSJodHRwOi8vcHVybC5vcmcvZGMvZGNtaXR5cGUvU3RpbGxJbWFnZSIgLz4gICAgICA8L2NjOldvcms+ICAgIDwvcmRmOlJERj4gIDwvbWV0YWRhdGE+ICA8ZGVmcyAgICAgaWQ9ImRlZnMxMCIgLz4gIDxzb2RpcG9kaTpuYW1lZHZpZXcgICAgIGlua3NjYXBlOmRvY3VtZW50LXJvdGF0aW9uPSIwIiAgICAgcGFnZWNvbG9yPSIjZmZmZmZmIiAgICAgYm9yZGVyY29sb3I9IiM2NjY2NjYiICAgICBib3JkZXJvcGFjaXR5PSIxIiAgICAgb2JqZWN0dG9sZXJhbmNlPSIxMCIgICAgIGdyaWR0b2xlcmFuY2U9IjEwIiAgICAgZ3VpZGV0b2xlcmFuY2U9IjEwIiAgICAgaW5rc2NhcGU6cGFnZW9wYWNpdHk9IjAiICAgICBpbmtzY2FwZTpwYWdlc2hhZG93PSIyIiAgICAgaW5rc2NhcGU6d2luZG93LXdpZHRoPSIyNTYwIiAgICAgaW5rc2NhcGU6d2luZG93LWhlaWdodD0iMTM4MiIgICAgIGlkPSJuYW1lZHZpZXc4IiAgICAgc2hvd2dyaWQ9ImZhbHNlIiAgICAgaW5rc2NhcGU6em9vbT0iMjkuODc1IiAgICAgaW5rc2NhcGU6Y3g9IjE2LjA2Njk0NiIgICAgIGlua3NjYXBlOmN5PSIxNiIgICAgIGlua3NjYXBlOndpbmRvdy14PSIwIiAgICAgaW5rc2NhcGU6d2luZG93LXk9IjMwIiAgICAgaW5rc2NhcGU6d2luZG93LW1heGltaXplZD0iMSIgICAgIGlua3NjYXBlOmN1cnJlbnQtbGF5ZXI9InN2ZzYiIC8+ICA8dGl0bGUgICAgIGlkPSJ0aXRsZTIiPmNoZWNrbWFyazwvdGl0bGU+ICA8cGF0aCAgICAgZD0iTTI3IDRsLTE1IDE1LTctNy01IDUgMTIgMTIgMjAtMjB6IiAgICAgaWQ9InBhdGg0IiAgICAgc3R5bGU9ImZpbGw6IzJlMzQ0MDtmaWxsLW9wYWNpdHk6MSIgLz48L3N2Zz4=);      background-position: center;
      background-repeat: no-repeat;
      background-size: 80%;
}
.content input[type="checkbox"]:focus + label::before,
.content input[type="checkbox"]:hover + label::before{
      border-radius: 10%;
      box-shadow: 0 0px 8px var(--accent);
}
.content input[type="checkbox"] {
      position: absolute;
      height: 1px;
      width: 1px;
      overflow: hidden;
      clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
      clip: rect(1px, 1px, 1px, 1px);
}


.content input[type="radio"] + label::before {
      content: '';
      position: relative;
      display: inline-block;
      margin-right: 5px;
      width: var(--medium-size);
      height: var(--medium-size);
      background: var(--fg);
      border-radius: 50%
}
.content input[type="radio"]:checked + label::before {
      background: var(--accent);
      border-radius: 50%
}
.content input[type="radio"]:focus + label::before,
.content input[type="radio"]:hover + label::before{
      border-radius: 50%;
      box-shadow: 0 0px 8px var(--accent);
}
.content input[type="radio"] {
      position: absolute;
      height: 1px;
      width: 1px;
      overflow: hidden;
      clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
      clip: rect(1px, 1px, 1px, 1px);
}
.content button[type=submit] {
      background: var(--bg1);
      padding: 0.3em 1em;
      color: var(--fg);
      border-style: solid;
      border-color: var(--accent);
      border-radius: var(--unit-size);
      border-width: 2px;
      font-family: 'Montserrat', sans-serif;
      font-size: var(--small-size);
      font-weight: 700;
}
.content button[type=submit]:focus,
.content [type=submit]:hover {
      border-radius: var(--unit-size);
      box-shadow: 0 0px 8px var(--accent);
}