:root {
    --main-bg-color: #253033;
    --main-color: #eaea5f;
}

nav {
    background-color: rgba(37, 48, 51, 0.9);
    color: var(--main-color);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    font-size: 1.1rem;
    height: 2.5rem;
    padding: 1rem 0 0.2rem;
    width: 100%;
    position: sticky;
    top: 0;
}

nav a {
    padding: 0.5rem 0;
}

nav > a[href="/"] {
    float: left;
    padding: 0;
}

.hidden {
    visibility: hidden;
}

nav .right {
    margin: 0 0.5rem 0 0;
}

footer {
    background-color: var(--main-bg-color);
    border-top: var(--main-color) 1px solid;
    margin-top: 0.65rem;
    padding: 0.5rem 0;
}

footer .right {
    margin: 0;
}

nav .right a {
    margin: 0 0 0 1.1rem;
}

time {
    display: inline-block;
    width: 5rem;
}

h1 {
    font-size: 1.75rem;
    margin-bottom: 0;
}

h2 {
    font-size: 1.5rem;
    margin: 0 0 1rem;
}

h3 {
    font-size: 1.2rem;
}

h4 {
    font-size: 1rem;
    margin: 0.4rem;
    font-weight: 400;
}

h5 {
    font-size: 0.8rem;
    margin: 0.3rem 0;
    font-weight: 400;
}

h6 {
    text-align: center;
    color: #aaa;
    font-size: 0.9rem;
    margin-block-start: 0;
    font-weight: 400;
}

code {
    background-color: #443;
    padding: 0 0.15rem;
}

li {
    margin: 0.3rem 0;
}

body {
    background-color: var(--main-bg-color);
    color: #dadada;
    line-height: 1.3;
    width: 60%;
    margin: auto;
    font-family: "Noto Sans TC", sans-serif;
    font-size: 1.1rem;
}

a {
    color: var(--main-color);
    text-decoration: none;
}

a:hover {
    color: #16e6a1;
    transition: color 0.25s;
}

p {
    line-height: 1.8;
}

article {
    margin: 6px 0;
}

img {
    display: block;
    margin: auto;
    margin-top: 1.8rem;
    max-width: 95%;
}

blockquote {
    font-size: 1.05rem;
    color: #aaa;
}

.right {
    float: right;
}

@media only screen and (max-width: 1200px) {
    body {
        width: 90%;
    }
}