#open-menu {
    transition: all 0.3s;
    box-sizing: border-box;
    display: none;
}

#toggle {
    display: none;
}

#mobile-menu {
    display: none;
}

@media (max-width: 991px) {

    header {
        position: fixed;
        z-index: 99;
    }

    #mobile-menu {
        display: block;
        background-color: var(--bg-color);
        box-sizing: border-box;
        overflow: auto;
        text-align: center;
        position: absolute;
        width: 100vw;
        height: 100vh;
        top: -100vh;
        left: 0;
        padding: 60px 20px 0px;
        z-index: -1;
        transition: transform 300ms ease-in-out;
    }

    #mobile-menu ul {
        padding: 10px 0px;
        border-bottom: 1px dashed var(--main-color);
    }

    #mobile-menu ul li {
        font-size: 24px;
        padding: 5px 0px;
    }
    
    #mobile-menu #about {
        text-align: left;
        padding: 15px 0px;
    }
    
    #mobile-menu #about p {
        font-size: 20px;   
    }
    
    #mobile-menu #contact {
        padding: 60px 0px 100px;
    }
    
    #mobile-menu #contact p {
        font-size: 20px;
        margin-bottom: 5px;
    }
    
    #mobile-menu #contact #contact-cv{
        text-decoration: underline;
    }

    #mobile-menu .accordion-button {
        font-size: 24px;
        font-family: var(--font);
        border-bottom: 1px dashed var(--main-color);
        padding: 30px 0px;
    }
    
    #mobile-menu .accordion-button:focus {
        box-shadow: none;
    }

    #toggle {
        display: block;
        z-index: 9999;
        position: fixed;
        height: 22px;
        width: 30px;
        right: 20px;
        top: 18px;
    }

    #toggle div {
        transition: all 0.3s;
        box-sizing: border-box;
        position: absolute;
        height: 1px;
        width: 30px;
        background-color: black;
        transform-origin: center center;
    }

    #toggle #spinner-center {
        top: 10px;
        left: 0;
    }

    #toggle #spinner-top {
        top: 0;
        left: 0;
    }

    #toggle #spinner-bottom {
        bottom: 0;
        left: 0;
    }

    #open-menu:checked ~ nav {
        -webkit-transform: translateY(calc(100% + 1px));
        -ms-transform: translateY(calc(100% + 1px));
        transform: translateY(calc(100% + 1px));
    }

    #open-menu:checked ~ header {
        height: 100vh;
        border: 1px
    }

    #open-menu:checked ~ #toggle #spinner-center {
        opacity: 0;
    }

    #open-menu:checked ~ #toggle #spinner-top {
        -webkit-transform: rotate(-135deg);
        -ms-transform: rotate(-135deg);
        transform: rotate(-135deg);
        border-radius: 0px;
        width: 30px;
        height: 1px;
        top: 10px;
        left: 0;
    }

    #open-menu:checked ~ #toggle #spinner-bottom {
        -webkit-transform: rotate(135deg);
        -ms-transform: rotate(135deg);
        transform: rotate(135deg);
        border-radius: 0px;
        width: 30px;
        height: 1px;
        top: 10px;
        left: 0;
    }

}