@import "font.css";

::selection {
    background-color: #bdbdbd;
    color: white;
}

body {
    background-color: #f4f4f9;
    display: flex;
    font-family: LAT-SF, serif;
    font-size: 1em;
    justify-content: center;
    line-height: 1.4;
    z-index: 0;
}

body.idle {
    overflow: hidden;
}

.frame {
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 2em 4em 1.4em 4em;
    margin: 1em;
}

h1 {
    text-align: center;
}

h1, h2, h3 {
    margin: 0;
}

p {
    margin-block-end: .6em;
    margin-block-start: .6em;
}

code {
    background: #eeeeee;
    border-radius: .25em;
    font-family: LAT-MS, monospace;
    padding: .125em .25em;
}

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

a:hover {
    text-decoration: underline;
}

@media only screen and (min-width: 64em) {
    .content {
        margin: auto;
        max-width: 54em;
    }
}

.nav {
    display: flex;
    justify-content: center;
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
}

.nav a {
    margin: 0 10px;
    position: relative;
}

.nav a::after {
    content: '-';
    position: absolute;
    width: 20px;
}

.nav a:last-child::after {
    content: normal;
}

@media only screen and (min-width: 64em) {
    .article {
        display: flex;
        justify-content: space-between;
    }

    .column {
        width: 46%;
    }
}

.banner {
    display: flex;
    justify-content: center;
    margin-top: 10px;
    user-select: none;
    -webkit-user-select: none;
}

.icon {
    border: 0;
    height: 30px;
}

.css,
.math,
.ccby {
    padding: 0 2px;
}

.atom,
.mjax {
    padding-left: 2px;
    padding-right: 7px;
}

.copyright {
    text-align: center;
}

.copyright p {
    margin: 0;
}

#overlay {
    backdrop-filter: blur(3px);
    background-color: rgba(255, 255, 255, 0.6);
    display: none;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 1;
}

iframe {
    background-color: white;
    border: 1px solid;
    display: none;
    height: 420px;
    left: 50%;
    position: fixed;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    z-index: 2;
}