body {
}

ul li {
    border-bottom: 1px solid #ccc;
    list-style-type: none;
    padding: 5px;
    font-size: 14px;
    float: left
}

ul {
    margin: 0px;
    width: auto;
    border: 1px solid #ccc;
    padding-left: 0px;
}

.checkboxUl {
    margin-top: -1px;
    display: none;
    background-color: white;
    float: left;
    height: 25px;
    margin-left:1px;
}

    .checkboxUl input {
        display: none;
    }

    .checkboxUl li {
        background-color: white;
    }

.button {
    background-color: white;
    border: 1px solid #ccc;
    color: black;
    padding: 4px 15px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 13px;
    cursor: pointer;
}

    .button:hover {
        color: blue;
    }

.top_menu {
    position: absolute;
    top: 15px;
    z-index: 1;
    left: 70px;
}