span.si-icon {
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
    display: inline-block;
    height: 64px;
    width: 64px;
    cursor: pointer;
}

span.si-icon-logo{
    /*position: absolute;*/
    z-index: 10;
    height: 42px;
    width: 80px;
    margin-left: 40px;
}
span.si-icon-nav-left-arrow{
    position: absolute;
    z-index: 10;
    left: 200px;
    top: 200px;
}