kolibrios.org/style.css

body {
    margin: 0;
    font-family: "Source Sans Pro", "Open Sans", sans-serif;
    background: #e1e2e2 url(i/bg.png) repeat fixed 0 0;
}

#menu {
    background: rgba(22, 22, 23, .8);
    color: #FFFFFF;
    cursor: default;
    line-height: 2em;
    padding: 0.5em 0;
    text-align: center;
    text-shadow: 2px 2px 2px #00000063;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9000;
}

#menu > * {
    color: #fff;
    cursor: pointer;
    margin: 0 1em;
    text-decoration: none;
    transition: color 0.15s ease;
}

#menu a:hover,
#menu a.a-sel {
    color: #ffe36a;
}

#menu img {
    filter: drop-shadow(2px 2px 2px #00000020);
}

#lang-butt {
    background: transparent;
    border: none;
}

/*  LANG-DROPDOWN  */

#lang-dropdown {
    position: fixed;
    z-index: 9100;
    display: none;
    opacity: 0;
    filter: alpha(opacity=0);
}

#lang-dropdown::before {
    content: '';
    display: block;
    position: absolute;
    border: 11px solid #333C;
    border-left: 10px solid rgba(255, 255, 255, 0);
    border-right: 10px solid rgba(255, 255, 255, 0);
    border-top: 0px solid rgba(255, 255, 255, 0);
    top: -10px;
    left: 50%;
    margin-left: -6px;
}

#lang-dropdown>div {
    display: block;
    margin-left: 4px;
    border-radius: 3px;
    border: 1px solid #333;
    box-shadow: 0 0 5px #000;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    background: #333;
    background: #333E;
    backdrop-filter: saturate(180%) blur(6px);
}

#lang-dropdown>div a {
    display: block;
    padding: 0 3em 0 1em;
    font-size: 90%;
    line-height: 2.5;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    text-decoration: none;
    color: #fff !important;
}

#lang-dropdown>div a:hover {
    border-bottom: 1px solid #34312eff;
    border-top: 1px solid #4c4c4cff;
    background: #444;
    background: linear-gradient(328deg, #c20d2c7d, #3928c78a);
}

#lang-dropdown>div a.a-sel {
    color: #888 !important;
}

#lang-dropdown>div a.a-sel img {
    color: #888 !important;
    filter: brightness(0.5);
}

#lang-dropdown>div a img {
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
    margin-top: -3px;
    width: 16px;
    height: 11px;
    filter: drop-shadow(1px 2px 2px #0003);
}

#lang-dropdown>div a:first-child {
    border-top: none;
}

#lang-dropdown>div a:last-child {
    border-bottom: none;
}

/*  ARTICLE  */

#article {
    background: rgba(254, 255, 255, 1);
    border: 1px solid #c0b9c491;
    border-radius: 4px;
    box-shadow: rgb(28 26 40 / 12%) 0px 4px 4px -2px;
    margin: 2em auto;
    max-width: 910px;
    padding: 2em;
    text-align: justify;
    color: #333;
}

#banner {
    box-sizing: border-box;
    border: 1px solid #00000020;
    border-radius: 4px;
    box-shadow: none;
    display: block;
    margin: 4px 4px 1.25em;
    outline: 4px solid transparent;
    transition: outline 0.3s ease;
}

#banner:hover {
    outline-color: lightblue;
}

h1 {
    font-size: 125%;
    padding: 0;
    margin: 0 0 16px;
}

a {
    color: #1F1F1F;
}

a:hover {
    color: #000;
}

p {
    line-height: 1.5;
}

.p-subscription
{
    text-align: center;
    margin-bottom: 0px;
}

/*  DOWNLOADS  */

table {
    width: 100%;
    border-spacing: 0;
}

tr {
    vertical-align: middle;
}

.tr-margin-bot>td{
    padding-bottom: 1em;
}

.tr-margin-top>td{
    padding-top: 1em;
}

td {
    vertical-align: middle;
}

td img {
    vertical-align: middle;
}

.td-image {
    width: 3em;
}

.td-description {
    text-align: left;
    width: 40%;
}

.td-date {
    text-align: right;
    padding-right: 2em;
}

.td-languages {
    text-align: right;
}

table a {
    padding-bottom: 1px;
    border-bottom: 1px solid;
    text-decoration: none;
    color: #0472D8
}

table a:hover
{
    color: #0053B9;
}

hr {
    margin: 0;
}

.help-button {
    cursor: pointer;
    display: inline-block;
    background: #FF9800;
    border-radius: 4px;
    box-shadow: inset 0 1px rgba(254,181,94,0.9), inset 0 -2px rgba(0,0,0,0.04);
    color: #FFFFFF;
    padding: 0.5em 1em;
    text-align: center;
    transition: 0.5s;
}

.help-button:hover {
    background: #F6920B;
}

acronym {
    border-bottom: 1px dashed #ccc;
    text-decoration: none;
    cursor: help;
}

/*  SCREENS.CSS  */

#show {
    max-width: 1280px;
    max-height: 800px;
    width: 100%;
    height: 100%;
    cursor: pointer;
    border: 1px solid #182028;
    display: block;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
}

#show img {
    display: none;
    max-width: 100%;
}

#show img.visible {
    display: block;
}

iframe {
    width: 100%;
    border: none;
    border-radius: 4px;
    aspect-ratio: 16 / 9;
}

#carousel {
    text-align: center;
    margin: 1.25em auto 1em;
}

#dots {
    text-align: center;
    line-height: 1;
}

.dot {
    display: inline-block;
    width: 0.625em;
    height: 0.625em;
    background: #ccc;
    border-radius: 50%;
    margin: 0 0.25em;
    cursor: pointer;
}

.dot.active {
    background: #333;
}

/*  FOOTER  */

#footer {
    margin: 2em auto;
    text-align: center;
    color: #848585;
    display: block;
    text-align: center;
    width: 100%;
    color: rgb(132, 133, 133);
    text-shadow: rgb(255, 255, 255) 1px 1px 0px;
    font-size: 90%;
}

#footer img
{
    margin-bottom: 0.5em;
}

#footer p
{
    margin: 0;
    
}

/*  ADAPTIVE LAYOUT  */

@media (max-width:864px) {

    #article {
        margin: 0 0 1em;
        padding: 1em 1em 1.5em;
        border-radius: 0;
    }

    #banner {
        max-width: calc(100% - 2px);
        margin: 1px 0 1em;
        outline: 1px solid rgb(227 227 227);;
    }

    #menu>* {
        margin: 0 0.5em;
    }

    .td-description {
        width: auto;
    }

    .td-date {
        padding-right: 1em;
        padding-left: 1em;
    }

    #footer {
        margin: 1em auto;
    }
}