.topnav {
    overflow: hidden;
    height: 70px;
    background-color: var(--navbar-background);
    transition: height 0.3s ease-in-out, opacity 0.3s ease-in-out, box-shadow 0.3s ease-out, background-color 0.2s ease-in-out;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10;
    box-shadow: 0 0 10px 0 black;
}

.logo {
    float: left;
    width: 70px;
    height: 70px;
    margin-left: 80px;
}

.cls-1 {
    fill: #4b8331;
}

.cls-2 {
    fill: #285526;
}

.navbacking {
    margin-bottom: 70px;
}

.menubuttons {
    position: relative;
    text-decoration: none;
    color: var(--navbar-color);
    height: 70px;
    display: flex;
    align-items: center;
    margin: 0 20px 0 20px;
    transition: padding-left 0.2s ease-in-out;
    font-weight: bold;
}

.menubuttons-container {
    float: right;
    display: flex;
    align-items: center;
}

.lightbulb {
    position: relative;
    float: right;
    text-decoration: none;
    color: var(--navbar-color);
    height: 70px;
    display: flex;
    align-items: center;
    tab-index: -1;
    margin-right: 70px;
    transition: background-color 0.3s ease-in-out;
}

button svg {
    position: absolute;
    transition: opacity 0.2s ease-out;
    cursor: pointer;
}

button {
    background-color: inherit;
    border: none;
    padding: 0;
    font: inherit;
}

/* --------- MENU ICON ----------- */

.menu {
    display: none;
    padding: 20px;
    margin: 6px;
}

.bar1,
.bar2,
.bar3 {
    width: 21px;
    height: 2px;
    background-color: var(--navbar-color);
    transition: all 0.3s ease-in-out, background-color 0.03s ease-in-out;
}

.bar2 {
    margin: 6px 0;
}

.change .bar1 {
    transform: translateY(8px) rotate(-45deg);
}

.change .bar2 {
    opacity: 0;
}

.change .bar3 {
    transform: translateY(-8px) rotate(45deg);
}

/* --------MENUBUTTONS UNDERLINE-------- */

.menubuttons:before {
    content: '';
    position: absolute;
    width: 100%;
    height: 1.5px;
    background-color: var(--navbar-color);
    bottom: 22px;
    transition: transform 300ms ease-in;
    transform: scaleX(0);
    transform-origin: left;
}

.menubuttons:hover:before,
.menubuttons:focus:before {
    transform: scaleX(1);
}

.cls-1 {
    fill: var(--head-color-navbar);
}

.cls-2 {
    fill: var(--horn-color-navbar);
}

/* -----------RESPONSIVE------------*/

@media screen and (max-width: 900px) {
    .menubuttons-container {
        float: none;
        display: block;
    }

    .lightbulb {
        margin-right: 100px;
    }

    .logo {
        margin-left: 10px;
    }

    .topnav .menubuttons {
        float: none;
        text-align: left;
        width: 100%;
        margin: 0;
        padding: 0 0 0 20px;
        opacity: 1;
        border-bottom: 2px solid var(--secondary-color);
    }

    .menu {
        position: fixed;
        display: block;
        top: 0;
        right: 0;
    }

    .topnav.responsive {
        height: 280px;
        box-shadow: 0 0 10px 0 black!important;
    }

    .topnav.responsive .menubuttons {
        float: none;
        text-align: left;
        width: 100%;
        margin: 0;
        padding: 0 0 0 20px;
        opacity: 1;
        transition: background-color 0.1s ease-in-out;
    }

    .topnav.responsive .menubuttons:hover {
        background-color: var(--secondary-color);
    }

    .menubuttons:before {
        content: '';
        transition: none;
    }

    .menubuttons:hover:before,
    .menubuttons:focus:before {
        transform: scaleX(0);
    }
}