.animated-icon1, .animated-icon3, .animated-icon4 {
    width: 30px;
    height: 20px;
    position: relative;
    margin: 0px;
    -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;
}

    .animated-icon1 span, .animated-icon3 span, .animated-icon4 span {
        display: block;
        position: absolute;
        height: 3px;
        width: 100%;
        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;
    }

    .animated-icon1 span {
        background: gray;
    }

    .animated-icon3 span {
        background: gray;
    }

    .animated-icon4 span {
        background: gray;
    }

.animated-icon4 span:nth-child(1) {
    top: 0px;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

.animated-icon4 span:nth-child(2) {
    top: 10px;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

.animated-icon4 span:nth-child(3) {
    top: 20px;
    -webkit-transform-origin: left center;
    -moz-transform-origin: left center;
    -o-transform-origin: left center;
    transform-origin: left center;
}

.animated-icon4.open span:nth-child(1) {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 0px;
    left: 8px;
}

.animated-icon4.open span:nth-child(2) {
    width: 0%;
    opacity: 0;
}

.animated-icon4.open span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    top: 21px;
    left: 8px;
}