#aToolbox {
    position: fixed;
    z-index: 500;
    width: 170px;
    left: -180px;
    top: 25%;
    border: solid 1px green;
    overflow: visible;
    /*display: none;*/
}

    #aToolbox div {
    }

        #aToolbox div.menutool {
            float: left;
            width: 170px;
            border: solid 2px red;
            background-color: #f1f7fb;
        }

        #aToolbox div.menutoolButtonContainer {
            position: absolute;
            top: 0px;
            right: -50px;
            width: 50px;
            text-align: right;
        }

            #aToolbox div.menutoolButtonContainer > button {
                border: solid 1px red;
                background-color: #faf5b4;
            }