.menu-link {
    width: 20px;
    position: fixed;
}

.menu-link .bar {
    background-color: #fff;
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 100px;
    position: absolute;
    top: 22px;
    right: 16px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    transition: all 0.5s;
}

.menu-link .bar:first-child {
    -webkit-transform: translateY(-6px);
    -moz-transform: translateY(-6px);
    -ms-transform: translateY(-6px);
    transform: translateY(-6px);
}

.menu-link.active .bar {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
}

.menu-link.active .bar:first-child {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    transform: rotate(-45deg);
}