button.lines-button {
    display: none;
    margin: 0 0;
    padding:15px 0;
    border: none;
    background: none;
    position:relative;
    z-index:999999;
}
button.lines-button span {
    display: block;
}
.lines-button {
    padding: 0;
    transition: .3s;
    cursor: pointer;
    user-select: none;
    border-radius: 0.57143rem;    
}
.lines {
    display: inline-block;
    width: 50px;
    height: 7px;    
    transition: 0.3s;
    position: relative;
}
.lines:before, .lines:after {
    display: inline-block;
    width: 50px;
    height: 7px;        
    position: absolute;
    left: 0;
    content: '';
	-webkit-transition: all .3s ease-in-out;	   	     
	        transition: all .3s ease-in-out;
    -webkit-transform-origin: 0.28571rem center;
    		transform-origin: 0.28571rem center;
}
.lines:before {
    top: 12px;
    background: inherit;
}
.lines:after {
    top: -12px;
    background: inherit;
}

.lines-button.open .lines:before {
    top: 12px;
}
.lines-button.open .lines:after {
    top: -12px;
}
.lines-button.open {
    -webkit-transform: scale3d(0.8, 0.8, 0.8);
       -moz-transform: scale3d(0.8, 0.8, 0.8);
    		transform: scale3d(0.8, 0.8, 0.8);
}
.lines-button.x.open .lines {
    background: transparent;
}
.lines-button.x.open .lines:before, .lines-button.x.open .lines:after {    
    top: 0;
    width: 4rem;
	-webkit-transform-origin: 50% 50%;
    		transform-origin: 50% 50%;
}
.lines-button.x.open .lines:before {
    -webkit-transform: rotate3d(0, 0, 1, 45deg);
    		transform: rotate3d(0, 0, 1, 45deg);
}
.lines-button.x.open .lines:after {
    -webkit-transform: rotate3d(0, 0, 1, -45deg);
    		transform: rotate3d(0, 0, 1, -45deg);
}