#nav_button span .icon-bar {
    position: absolute;
    opacity: 1;
    left: 0;
    width: 30px;
    display: block;
    border-color: #987B44;
    border-style: solid;
    border-width: 2px 0 0 0;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: all .1s ease-in-out;
    -moz-transition: all .1s ease-in-out;
    -o-transition: all .1s ease-in-out;
    transition: all .1s ease-in-out;
}

#nav_button.closed span .first {
    top: 0;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

#nav_button.closed span .second {
    top: 10px;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

#nav_button.closed span .third {
    top: 20px;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

#nav_button.opened span .first {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    border-color: #fff;
    left: -5px;
}

#nav_button.opened span .second {
    width: 0;
    opacity: 0;
}

#nav_button.opened span .third {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    border-color: #fff;
    top: 15px;
    left: -5px;
}