/*!
* @author https://codepen.io/designcouch/pen/ExvwPY
*/

/* Icon 1 */

#nav-icon1, #nav-icon2, #nav-icon3, #nav-icon4 {
    width: 50px;
    height: 45px;
    position: relative;
    /*margin: 50px auto;*/
    -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;
}

    #nav-icon1 span, #nav-icon3 span, #nav-icon4 span {
        display: block;
        position: absolute;
        height: 5px;
        width: 100%;
        background: #ffffff;
        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;
    }

        #nav-icon1 span:nth-child(1) {
            top: 0px;
        }

        #nav-icon1 span:nth-child(2) {
            top: 18px;
        }

        #nav-icon1 span:nth-child(3) {
            top: 36px;
        }

    #nav-icon1.open span:nth-child(1) {
        top: 18px;
        -webkit-transform: rotate(135deg);
        -moz-transform: rotate(135deg);
        -o-transform: rotate(135deg);
        transform: rotate(135deg);
    }

    #nav-icon1.open span:nth-child(2) {
        opacity: 0;
        left: -50px;
    }

    #nav-icon1.open span:nth-child(3) {
        top: 18px;
        -webkit-transform: rotate(-135deg);
        -moz-transform: rotate(-135deg);
        -o-transform: rotate(-135deg);
        transform: rotate(-135deg);
    }

/* Icon 2 */

#nav-icon2 {
}

    #nav-icon2 span {
        display: block;
        position: absolute;
        height: 9px;
        width: 50%;
        background: #d3531a;
        opacity: 1;
        -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;
    }

        #nav-icon2 span:nth-child(even) {
            left: 50%;
            border-radius: 0 9px 9px 0;
        }

        #nav-icon2 span:nth-child(odd) {
            left: 0px;
            border-radius: 9px 0 0 9px;
        }

        #nav-icon2 span:nth-child(1), #nav-icon2 span:nth-child(2) {
            top: 0px;
        }

        #nav-icon2 span:nth-child(3), #nav-icon2 span:nth-child(4) {
            top: 18px;
        }

        #nav-icon2 span:nth-child(5), #nav-icon2 span:nth-child(6) {
            top: 36px;
        }

    #nav-icon2.open span:nth-child(1), #nav-icon2.open span:nth-child(6) {
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }

    #nav-icon2.open span:nth-child(2), #nav-icon2.open span:nth-child(5) {
        -webkit-transform: rotate(-45deg);
        -moz-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }

    #nav-icon2.open span:nth-child(1) {
        left: 5px;
        top: 7px;
    }

    #nav-icon2.open span:nth-child(2) {
        left: calc(50% - 5px);
        top: 7px;
    }

    #nav-icon2.open span:nth-child(3) {
        left: -50%;
        opacity: 0;
    }

    #nav-icon2.open span:nth-child(4) {
        left: 100%;
        opacity: 0;
    }

    #nav-icon2.open span:nth-child(5) {
        left: 5px;
        top: 29px;
    }

    #nav-icon2.open span:nth-child(6) {
        left: calc(50% - 5px);
        top: 29px;
    }

/* Icon 3 */

#nav-icon3 span:nth-child(1) {
    top: 0px;
}

#nav-icon3 span:nth-child(2), #nav-icon3 span:nth-child(3) {
    top: 15px;
}

#nav-icon3 span:nth-child(4) {
    top: 30px;
}

#nav-icon3.open span:nth-child(1) {
    top: 15px;
    width: 0%;
    left: 50%;
}

#nav-icon3.open span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}

#nav-icon3.open span:nth-child(3) {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

#nav-icon3.open span:nth-child(4) {
    top: 15px;
    width: 0%;
    left: 50%;
}

/* Icon 4 */

#nav-icon4 {
}

    #nav-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;
    }

    #nav-icon4 span:nth-child(2) {
        top: 18px;
        -webkit-transform-origin: left center;
        -moz-transform-origin: left center;
        -o-transform-origin: left center;
        transform-origin: left center;
    }

    #nav-icon4 span:nth-child(3) {
        top: 36px;
        -webkit-transform-origin: left center;
        -moz-transform-origin: left center;
        -o-transform-origin: left center;
        transform-origin: left center;
    }

    #nav-icon4.open span:nth-child(1) {
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
        top: -3px;
        left: 8px;
    }

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

    #nav-icon4.open span:nth-child(3) {
        -webkit-transform: rotate(-45deg);
        -moz-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
        top: 39px;
        left: 8px;
    }
