cannabinieri_web_actix/templates/assets/css/nav.css

.header {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
}

.logo a {
    display: block;
    position: sticky;
    z-index: 2;
}

.logo a img {
    display: block;
    width: 100%;
    height: 15vh;
    padding-top: 2vh;
    padding-left: 2vw;
}

.navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 5vw;
}

.navigation input:checked ~ .menu {
    right: 0;
}

.menu {
    display: flex;
    justify-content: start;
    flex-direction: column;
    align-items: center;
    position: fixed;
    top: 0;
    right: -90vw;
    background: #fff;
    opacity: 90%;
    width: 70vw;
    height: 100%;
    padding-top: 11vh;
    z-index: 1;
    transition: .5s;
    margin: 0;
    padding-right: 5vw;
}

.menu li {
    list-style-type: none;
    width: 100%;
}

.menu li a {
    color: #000;
    text-decoration: none;
    display: block;
    padding: 1.3vh 0;
    line-height: 1;
    font-size: 2.35vh;
    text-align: right;
    box-shadow: 0 .5vw 0 -0.35vw #D8D8D8;
    text-transform: uppercase;
    transition: .3s;
}


.hamburger {
    position: relative;
    width: 5vw;
    height: .5vh;
    background: #000;
    cursor: pointer;
    z-index: 2;
    transition: .3s;
}

.hamburger:before,
.hamburger:after {
    content: "";
    position: absolute;
    height: 4px;
    right: 0;
    background: #000;
    transition: .3s;
}

.hamburger:before {
    top: -1vh;
    width: 5vw;
}

.hamburger:after {
    top: 1vh;
    width: 5vw;
}

.toggle_menu {
    position: absolute;
    width: 3.5vw;
    height: 5.5vh;
    z-index: 3;
    cursor: pointer;
    opacity: 0;
}

.navigation input:checked ~ .hamburger {
    background: transparent;
}

.navigation input:checked ~ .hamburger::before {
    top: 0;
    transform: rotate(-45deg);
    width: 5vw;

}

.navigation input:checked ~ .hamburger::after {
    top: 0;
    transform: rotate(45deg);
    width: 5vw;
    
}

@media (min-width: 768px) {
    .menu {
        width: unset;
    }

    .menu li a {
        font-size: 1.85vh;
    }
}

@media (min-width: 1024px) {

    .header {
        position: relative;
        width: 100%;
        display: flex;
        justify-content: flex-start;
        align-items: center;

    }

    .hamburger, 
    .toggle_menu {
        display: none;
    }

    .menu {
        justify-content: center;
        flex-direction: row;
        position: sticky;
        z-index: 1;
        transition: .5s;
        padding: 0;
        width: unset;
        margin-left: 10vw;
    }

    .menu li {
        width: unset;
    }

    .menu li a {
        color: #000;
        text-decoration: none;
        display: block;
        padding: 2vh 1.5vw 1.5vh;
        line-height: 1;
        transition: .3s;
        box-shadow: none;
    }

    .menu li a:hover {
        box-shadow: 0 .5vw 0 -0.35vw #000;
    }

    .navigation {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0;
    }
    
}