#mobile {
	display: block;
	position: absolute;
    right: 16px;
    top: 22px;
    width: 26px;
    height: 26px;
    background: none;
}

#mb {
	position: relative;
	display: block;
	width: 100%;
	height: 100%;
}

#mobile span {
	height: 2px;
    width: 100%;
    position: absolute;
    background: white;
    transition: transform 0.3s ease-out, opacity 0.2s linear, color 0.2s linear;
    -webkit-transition: transform 0.3s ease-out, opacity 0.2s linear, color 0.2s linear;
    -moz-transition: transform 0.3s ease-out, opacity 0.2s linear, color 0.2s linear;
}

#mobile.open span {
    background: #fff;
}

#mobile span:nth-of-type(1) {
	top: 20%;
}

#mobile span:nth-of-type(2) {
	top: 50%;
}

#mobile span:nth-of-type(3) {
	top: 80%;
}

#mobile span:nth-of-type(4) {
	top: 50%;
    opacity: 0;
}

#mobile.open span:nth-of-type(1),
#mobile.open span:nth-of-type(3) {
	opacity: 0;
}

#mobile.open span:nth-of-type(4) {
    opacity: 1;
}

#mobile.open span:nth-of-type(2) {
    transform:rotateZ(45deg)
}

#mobile.open span:nth-of-type(4) {
    transform:rotateZ(-45deg)
}

@media screen and (min-width: 920px) {
    #mobile {
        display: none;
    }
}