#search_ul {
    position: absolute;
    display: none;
    z-index: 1;
    background: white;
    width: 100%;
    cursor: pointer;
}
#search_ul li a:hover{
    color: #10b3d6;
    background-color: #f6f6f6;
    text-decoration-color: black;
}

input:focus + #search_ul {
    display: block;
}
#search_ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#search_ul li a {
    border: 1px solid #ddd;
    margin-top: -1px; /* Prevent double borders */
    /*background-color: #f6f6f6;*/
    padding: 12px;
    text-decoration: none;
    font-size: 18px;
    color: black;
    display: block
}