@import url('https://webfontworld.github.io/naver/NanumMyeongjo.css');

html {
    scroll-behavior: smooth;
    font-family: 'NanumMyeongjo', 'Times New Roman', Times, serif;
}
* {
    word-break: keep-all;
    word-wrap: break-word;
}
::selection{
    background: darkgoldenrod;
    color: #fff;
}
::-moz-selection{
    background: darkgoldenrod;
    color: #fff;
}
::-webkit-selection{
    background: darkgoldenrod;
    color: #fff;
}
body {
    margin: 0px;
    padding: 0px;
    background-color: blanchedalmond;
}
a {
    margin: 0px;
    padding: 0px;
    text-decoration: none !important;
    color: inherit;
}
header {
    text-align: center;
    padding: 12px;
    border-bottom: 1px solid darkgoldenrod;
    color: darkgoldenrod;
}
footer {
    text-align: center;
    padding: 12px;
    border-top: 1px solid darkgoldenrod;
    color: darkgoldenrod;
}
main {
    min-height: 100vh;
}
.content {
    max-width: 980px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    padding: 24px;
}
@media screen and (max-width: 700px) {
    .content {
        grid-template-columns: 1fr 1fr;
    }
}
@media screen and (max-width: 450px) {
    .content {
        grid-template-columns: 1fr;
    }
}
.content > a {
    overflow: hidden;
}
.content > a > div {
    border-radius: 24px;
    overflow: hidden;
    background-color: gray;
    transition:  all 300ms ease-in-out;
    -webkit-transition: all 300ms ease-in-out;
}
.content > a > div:hover {
    filter: brightness(110%);
    -webkit-filter: brightness(110%);
}
.content > a > div > img {
    width: 100%;
    object-fit: cover;
    object-position: center;
    aspect-ratio: 1/1;
    transition:  all 1000ms ease-in-out;
    -webkit-transition: all 1000ms ease-in-out;
}
.content > a > div:hover > img {
    transform: scale(110%);
}
#viewer {
    max-width: 980px;
    margin: auto;
    margin-bottom: 12px;
    padding: 24px;
}
#viewer > img {
    width: 100%;
    padding-bottom: 12px;
}
.btn-download {
    background-color: darkgoldenrod;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    cursor: pointer;
    transition-duration: 300ms;
}
.btn-download:hover {
    background-color: black;
}
img {
    user-select: none;
}
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.spinner-container {
    position: fixed;
    top: 0;
    backdrop-filter: brightness(80%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100%;
}