#hamburger {
    display: inline-block;
    position: relative;
    cursor: pointer;
    font-size: 32px;
    margin: 5px;
    height: 40px;
    width: 40px;
    pointer-events: auto;
}

#bar1, #bar2-1, #bar2-2, #bar3 {
    position: absolute;
    width: 40px;
    height: 5px;
    background-color: #fff;
    margin: 5px 0;
    transition: 0.3s;
}

#bar1 {
    top: 0;
}

#bar2-1, #bar2-2 {
    margin: 0;
    width: 20px;
    top: 50%;
    transform: translateY(-50%);
}

#bar2-1 {
    left: 0;
}

#bar2-2 {
    right: 0;
}

#bar3 {
    bottom: 0;
}

/* Mouse hovers the hamburger */

.change-hover #bar2-1 {
    background-color: #ee293d;
    transform: translate(-5px, -50%);
}

.change-hover #bar2-2 {
    background-color: #ee293d;
    transform: translate(5px, -50%);
}

.change-hover #bar1, .change-hover #bar3 {
    background-color: #1a5dad;
}


/* Mouse clics the hamburger */

.change-clic #bar1 {
    -webkit-transform: rotate(-45deg) translate(-10px, 10px);
    transform: rotate(-45deg) translate(-8px, 8px);
}

.change-clic #bar2-1 {
    opacity: 0;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
}

.change-clic #bar2-2 {
    opacity: 0;
    -webkit-transform: translateX(50%);
    transform: translateX(50%);
}

.change-clic #bar3 {
    -webkit-transform: rotate(45deg) translate(-10px, -10px);
    transform: rotate(45deg) translate(-10px, -10px);
}