body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(to top, #c8e8fb 50%, #ffffff 100%);
    margin: 0;
    padding: 10px;
}
.header {
    text-align: center;
    margin-bottom: 10px;
}
.header img {
    height: 150px;
    width: auto;
}
.container {
    max-width: 700px;
    margin: 0 auto;
}
.box {
    border: 1px solid #224488;
    margin-bottom: 10px;
    background-color: white;
}
.box-header {
    background-color: #224488;
    color: white;
    padding: 2px 5px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
}
.box-header-1 {
    background-color: #dcefff;
    color: #224488;
    padding: 2px 5px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
}
.box-content {
    padding: 5px;
    font-size: smaller;
}
.close-button {
    cursor: pointer;
}
.boards-section {
    display: flex;
    flex-wrap: wrap;
}
.board-category {
    width: 16.66%;
    box-sizing: border-box;
    vertical-align: top;
}
.category-title {
    color: #224488;
    font-weight: bold;
}
.board-link {
    display: block;
    font-size: 0.9em;
    text-decoration: none;
    color: #224488;
}
a {
    color: #224488;
    text-decoration: none;
}
.filter {
    float: right;
    cursor: pointer;
}
.threads-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.thread {
    text-align: center;
    font-size: 0.8em;
    color: #224488;
}
.thread-title {
    font-weight: bold;
}
.thread img {
    max-width: 100%;
    height: 100px;
    border: 1px solid #224488;
}
.footer {
    text-align: center;
    margin-top: 10px;
    font-size: 0.8em;
}
.stats {
    display: flex;
    justify-content: space-around;
    padding: 10px;
}
.bottom-nav {
    display: flex;
    justify-content: center;
}
.bottom-nav a {
    padding: 3px 10px;
    border: 1px solid #224488;
    background-color: #dcefff;
}