.yearpicker-container {
    z-index: 69;
    position: absolute;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.yearpicker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background-color: #f7f7f7;
    border-bottom: 1px solid #eaeaea;
}

.yearpicker-prev,
.yearpicker-next {
    cursor: pointer;
    font-size: 32px;
    color: #333;
}

.yearpicker-current {
    font-size: 16px;
    color: #333;
}

.yearpicker-body {
    z-index: 69;
    padding: 10px;
}

.yearpicker-year {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.yearpicker-year li {
    cursor: pointer;
    background-color: #fff;
    border-radius: 4px;
    padding: 5px 10px;
    text-align: center;
    border: 1px solid transparent;
    transition: background-color 0.3s, border-color 0.3s;
}

.yearpicker-year li:hover {
    background-color: #eaeaea;
}

.yearpicker-year li.selected,
.yearpicker-year li.highlighted {
    border-color: #333;
    font-weight: bold;
}