#hamburger-x {
    margin-right: 16px;
    width: 24px;
    height: 27px;
    position: relative;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .5s ease-in-out;
    -moz-transition: .5s ease-in-out;
    -o-transition: .5s ease-in-out;
    transition: .5s ease-in-out;
    cursor: pointer;
}

#hamburger-x span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: #000000;
    border-radius: 9px;
    opacity: 1;
    left: 0;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    -moz-transition: .25s ease-in-out;
    -o-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
}

/* Icon 4 */

#hamburger-x span:nth-child(1) {
    top: 0px;
    width: 24px;
    -webkit-transform-origin: right center;
    -moz-transform-origin: right center;
    -o-transform-origin: right center;
    transform-origin: right center;
}

#hamburger-x span:nth-child(2) {
    top: 12px;
    width: 16px;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

#hamburger-x span:nth-child(3) {
    top: 24px;
    width: 24px;
    -webkit-transform-origin: right center;
    -moz-transform-origin: right center;
    -o-transform-origin: right center;
    transform-origin: right center;
}

#hamburger-x.open span:nth-child(1) {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    top: 3px;
    left: -5px;
    width: 26px;
}

#hamburger-x.open span:nth-child(2) {
    opacity: 0;
}

#hamburger-x.open span:nth-child(3) {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 21px;
    left: -5px;
    width: 26px;
}