body {
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: normal;
    font-size: 20px;
    color: whitesmoke;
    background: gray;
    /* For browsers that do not support gradients */
    background: conic-gradient(at 100% 100%, white, rgb(43, 110, 58), rgb(49, 49, 105));
    background-attachment: fixed;
    width: min(100%, 30em);
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 60px;
}

header {
    padding: 30px;
    font-size: 30px;
    text-align: center;
}

.main {
    padding: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.imgbox {
    display: grid;
    height: 100%;
}

.center-fit {
    max-width: 350px;
    max-height: 350px;
    margin: auto;
}

/* unvisited link */
a:link {
    color: rgb(243, 243, 243);
}

/* visited link */
a:visited {
    color: rgb(128, 255, 128);
}

/* mouse over link */
a:hover {
    color: rgb(255, 124, 248);
}

/* selected link */
a:active {
    color: blue;
}

/* Place the navbar at the bottom of the page, and make it stick */
.navbar {
    background-color: #333;
    overflow: hidden;
    position: fixed;
    bottom: 0;
    width: min(100%, 30em);
}

/* Style the links inside the navigation bar */
.navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 15px;
    text-decoration: none;
    font-size: 15px;
}

/* Change the color of links on hover */
.navbar a:hover {
    background-color: #ddd;
    color: black;
}

/* Add a color to the active/current link */
.navbar a.active {
    background-color: #04AA6D;
    color: white;
}

.choice {
    display: block;
    padding: 5px;
    margin: 10px;
    text-decoration: none;
    border: 2px solid whitesmoke;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    color: whitesmoke;
    font-size: 18px;
}