.ui-autocomplete {
    width: 500px;
    border: 1px solid #aaaaaa;
    background-color: #ffffff;
}
.search_text_input
{
    font-size: 20px;
    width: 630px;
    height: 40px;
    border: none;
    margin-top: 3px;
    outline: none;
    background-color: rgba(0,0,0,0);

}
.ui-menu{
    list-style: none;
    padding:5px;
}

a {
    text-decoration: none;
    color: #333333;
}

.key_item_en{

    display: inline-block;
}

.key_item_en:nth-child(1) .item_text{
    width: 40px;
    height: 20px;
    background: url("/images/quanbu.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}

.key_item_en:nth-child(1) .item_text_select {
    width: 40px;
    height: 20px;
    background: url("/images/AllSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}


.key_item_en:nth-child(2) .item_text{
    width: 40px;
    height: 20px;
    background: url("/images/Books.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(2) .item_text_select{
    width: 40px;
    height: 20px;
    background: url("/images/BooksSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}

.key_item_en:nth-child(3) .item_text{
    width: 50px;
    height: 20px;
    background: url("/images/AncientBooks.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}


.key_item＿en:nth-child(3) .item_text_select{
    width: 50px;
    height: 20px;
    background: url("/images/AncientBooksSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(4) .item_text{
    width: 40px;
    height: 20px;
    background: url("/images/Papers.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(4) .item_text_select{
    width: 40px;
    height: 20px;
    background: url("/images/PapersSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(5) .item_text{
    width: 70px;
    height: 20px;
    background: url("/images/PeriodicalsNewspapers.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(5) .item_text_select{
    width: 70px;
    height: 20px;
    background: url("/images/PeriodicalsNewspapersSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(6) .item_text{
    width: 60px;
    height: 20px;
    background: url("/images/Multimedia.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(6) .item_text_select{
    width: 60px;
    height: 20px;
    background: url("/images/MultimediaSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(7) .item_text{
    width: 70px;
    height: 20px;
    background: url("/images/Microforms.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(7) .item_text_select{
    width: 70px;
    height: 20px;
    background: url("/images/MicroformsSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(8) .item_text{
    width: 40px;
    height: 20px;
    background: url("/images/Documents.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(8) .item_text_select{
    width: 40px;
    height: 20px;
    background: url("/images/DocumentsSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(9) .item_text{
    width: 40px;
    height: 20px;
    background: url("/images/Entries.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}
.key_item_en:nth-child(9) .item_text_select{
    width: 40px;
    height: 20px;
    background: url("/images/EntriesSelect.png") no-repeat;
    background-size: 100% 100%;
    display: inline-block;
    margin-top: 10px;

}