.header .navbar-nav {
    display: flex;
}

.menu {
    display: none;
    width: 60px;
    height: 60px;
    align-self: flex-end;
}

.nav-toggler {
    display: flex;
    flex-direction: column;
}

.hamburguer {
    background-color: #fff;
    position: relative;
    display: block;
    width: 30px;
    height: 2px;
    top: 29px;
    left: 15px;
    transition: .2s ease-in-out;
}


.hamburguer::after, .hamburguer::before {
    background-color: #fff;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    transition: .2s ease-in-out;
}



.hamburguer::before {
    top: -10px;
}

.hamburguer::after {
    bottom: -10px;
}

.header input {
    display: none;
}

.header input:checked ~ .nav-toggler .hamburguer {
    transform: rotate(45deg);
}

.header input:checked ~ .nav-toggler .hamburguer::before {
    transform: rotate(90deg);
    top: 0;
}

.header input:checked ~ .nav-toggler .hamburguer::after {
    transform: rotate(90deg);
    bottom: 0;
}