:root {
    --main-color: black;
    --second-color: white;
    --accent: palegreen;
    --dark-accent: green;
}

section a:hover {
    background-color: var(--accent);
}

footer a:hover {
    background-color: var(--accent);
    padding: .2rem;
}

footer{
    padding-top: 5rem;
    text-align: center;
    bottom: 0;
    left: 0;
    right: 0;

}

@media screen and (min-width: 210mm) {
    html,body{
	height:297mm;
	width:210mm;
	margin: auto;
	font-size: 1.2rem;
    }
}
@media screen and (max-width: 210mm) {
    body {
	font-size: 1rem;
	margin: 2rem;
    }
    nav {
	font-size: 4rem;
    }
    .blog_index {
	font-size: 5rem;
    }
    p {
	text-indent: 1rem;
    }
}

.title {
    text-align: center;    
}

p {
    text-indent: 3rem;
    text-align: justify;
}

.subtitle {
    text-align: center;
}

.blog_index {
    margin-top: -2rem;
    padding: 1rem 0;
    font-size: 2rem;
    text-align: center;
    list-style-type: georgian;
    list-style-position: inside;
}

.blog_index li{
    padding-top: 1rem;
}

h2 {
    padding-left: 5px;
}
.main_page {
    text-align: center;
}
nav {
    text-align: center;
    font-size: 40px;
    padding-top: 10px;
    padding-bottom: 30px;
}
a {
    color: var(--main-color)
}

nav a:hover{
    padding:1rem;
    transition-duration: .1s;
}
.ascii {
    text-align: center;    
}

@media (prefers-color-scheme: dark) {
    body {
	background-color: var(--main-color);
	color: var(--second-color);
    }
    a {
	color: var(--secondary-color)
    }
    section a:hover {
	background-color: var(--dark-accent);
    }

    footer a:hover {
	background-color: var(--dark-accent);
	padding: .2rem;
    }

}

pre, code {
  white-space: pre-wrap;       
  word-wrap: break-word;     
  overflow-wrap: break-word;
}