#ajax-search-box {
    position: relative;
    width: 100%;
    max-width: 300px;
}
#search-results {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #ccc;
    width: 100%;
    z-index: 100;
}
#search-results ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
#search-results li {
    padding: 5px 10px;
    border-bottom: 1px solid #eee;
}
#search-results li:hover {
    background: #f0f0f0;
}