*{
    margin: 0;
    padding: 0;
}

:root{
    --background: rgba(0, 0, 0, 0.9);
    --darkGray: rgba(255, 255, 255, 0.25);
    --lightGray: rgba(255, 255, 255, 0.75);
}

html{
    background-color: var(--background);
    color: white;
    font-family: "Courier New", monospace;
    font-size: 14px;
}

body{
    display: flex;
    align-items: center;
    flex-direction: column;
    flex-wrap: wrap;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    margin-bottom: 128px;
}

#container{
    display: flex;
    flex-direction: column;

    align-items: center;
    width: 100%;
}

hr{
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    margin: 1em 0;
    width: 95%;
}

h1, h2, h3, p, img, li{
    margin: 0.5em;
}

a{
    color: white;
    text-decoration: none;
}

/* p{
    max-width: 720px;
} */

ul{
    list-style-type: none;
    max-width: 720px;
}

.country{
    text-align: center;
}

.country img, .flag {
    height: 42px;
    margin: 1em;
    border: solid 1px rgba(255, 255, 255, 0.25);
    border-radius: 3px;
}

.continent, .country, .other{
    text-align: center;
}

.continent img, #world img{
    max-width: 360px;
    border-radius: 10px;
}

.continent div, .other div{
    display: inline-block;
}

.other div{
    min-width: 128px;
    min-height: 128px;
}

.country div{
    display: inline-block;
    width: 128px;
    height: 128px;
}

.country p{
    font-weight: bold;
}

table{
    border-collapse: collapse;
    text-align: center;
    margin: 1em;
    max-width: 720px;
}

th, td{
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.5em 1em;
    max-width: 360px;
}

a:hover {
    text-decoration: underline;
}

a:hover img{
    /* filter: drop-shadow(5px 5px 5px var(--darkGray)); */
    transform: scale(1.1);
}

.grayscale{
    filter: grayscale(100%);
    opacity: 0.5;
}