privacynerd.de/new_site/src/griddy.css

/* Prevents Padding or borders from changing box size */
html { box-sizing: border-box; }
*, 
*:before, 
*:after { box-sizing: inherit; }

:root {
    --bg-color: #ffffff;
    --fg-color: #000000;
    --selection-bg-color: #bbffbb;
    --selection-fg-color: #000000;
    --accent: #96ff96;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #111111;
        --fg-color: #ffffff;
        --selection-bg-color: var(--accent);
        --selection-fg-color: #000000;
    }
}
body {
    background-color: var(--bg-color);
    color: var(--fg-color);
    font-family: sans-serif;
}
::-moz-selection { /* Code for Firefox */
    color: var(--selection-fg-color);
    background: var(--selection-bg-color);
}  
::selection {
    color: var(--selection-fg-color);
    background: var(--selection-bg-color);
}

h1 {
    text-align: center;
}

/* Blinking cursor */
@keyframes cursor-blink {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}
h1::after {
    content: "";
    width: 5px;
    height: 0.9em;
    background: #00ff00;
    margin-left: 3px;
    display: inline-block;
    animation: cursor-blink 900ms ease-in-out infinite;
}

a {
    color: inherit;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-decoration-color: var(--bg-color);
    transition: all 200ms ease-in-out;
}
a:hover {
    text-decoration-color: var(--accent);
}

p {
    text-align: center;
    width: 70%;
    margin: 0 auto;
}
@media (min-width: 992px) {
    p {
        max-width: 40%;
    }
}

br {
    margin-bottom: 10px;
}

code {
    border: 1px solid var(--fg-color);
    border-radius: 5px;
    padding: 2px;
    margin: 1px;
    font-family: serif;
    background-color: #000000;
}

.row {
    width: 70%;
    margin: 0 auto;
}

/* Large Devices */
@media (min-width: 992px) {
    .row {
        max-width: 40%;
    }
}

/* Do a clearfix */
.row::after {
    content: "";
    display: block;
    clear: both;
}

/* Columns */
.col { 
    width: 100%;
    float: left;
    padding: 5px;
}


.badge {
    padding: 3px 5px;
    border: 2px solid var(--accent);
    border-radius: 0px;
}


hr {
    --hr-color: var(--accent);

    width: 70%;
    height: 3px;
    margin: 2.35em auto;
    border-width: 0;
    color: var(--hr-color);
    background-color: var(--hr-color);
}
/* Large Devices */
@media (min-width: 992px) {
    hr {
        max-width: 40%;
    }
}

.align-left {
    text-align: left;
    margin-left: 0;
}

.footer {
    text-align: center;
    margin: 0 auto;
}


/* Small Devices */
@media (min-width: 576px) {
    .sm-1 { width: 10%; }
    .sm-2 { width: 20%; }
    .sm-3 { width: 30%; }
    .sm-4 { width: 40%; }
    .sm-5 { width: 50%; }
    .sm-6 { width: 60%; }
    .sm-7 { width: 70%; }
    .sm-8 { width: 80%; }
    .sm-9 { width: 90%; }
    .sm-10 { width: 100%; }
}

/* Medium Devices */
@media (min-width: 768px) {
    .md-1 { width: 10%; }
    .md-2 { width: 20%; }
    .md-3 { width: 30%; }
    .md-4 { width: 40%; }
    .md-5 { width: 50%; }
    .md-6 { width: 60%; }
    .md-7 { width: 70%; }
    .md-8 { width: 80%; }
    .md-9 { width: 90%; }
    .md-10 { width: 100%; }
}