@media screen and (max-width: 824px) {
    .nav-container {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
        z-index: -1;
        background: #1f2227;
        opacity: 0;
        -webkit-transition: all 0.2s ease;
        -o-transition: all 0.2s ease;
        transition: all 0.2s ease;
    }

    .nav-container ul {
        position: absolute;
        top: 50%;
        -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        -o-transform: translateY(-50%);
        transform: translateY(-50%);
        width: 100%;
    }

    .nav-container ul li {
        display: block;
        float: none;
        width: 100%;
        text-align: right;
        margin-bottom: 10px;
    }

    .nav-container ul li:nth-child(1) a {
        -webkit-transition-delay: 0.2s;
        -o-transition-delay: 0.2s;
        transition-delay: 0.2s;
    }

    .nav-container ul li:nth-child(2) a {
        -webkit-transition-delay: 0.3s;
        -o-transition-delay: 0.3s;
        transition-delay: 0.3s;
    }

    .nav-container ul li:nth-child(3) a {
        -webkit-transition-delay: 0.4s;
        -o-transition-delay: 0.4s;
        transition-delay: 0.4s;
    }

    .nav-container ul li:nth-child(4) a {
        -webkit-transition-delay: 0.5s;
        -o-transition-delay: 0.5s;
        transition-delay: 0.5s;
    }

    .nav-container ul li:not(:first-child) {
        margin-left: 0;
    }

    .nav-container ul li a {
        padding: 10px 25px;
        opacity: 0;
        color: #fff;
        font-size: 24px;
        font-weight: 600;
        -webkit-transform: translateY(-20px);
        -ms-transform: translateY(-20px);
        -o-transform: translateY(-20px);
        transform: translateY(-20px);
        -webkit-transition: all 0.2s ease;
        -o-transition: all 0.2s ease;
        transition: all 0.2s ease;
    }

    .nav-open {
        z-index: 1;
        position: relative;
        display: block;
        width: 48px;
        height: 24px;
        cursor: pointer;
        z-index: 9999;
        border-radius: 50%;
    }

    .nav-open i {
        display: block;
        width: 20px;
        height: 2px;
        background: #FE931B;
        border-radius: 2px;
        margin-left: 14px;
    }

    .nav-open i:nth-child(1) {
        margin-top: 16px;
    }

    .nav-open i:nth-child(2) {
        margin-top: 4px;
        opacity: 1;
    }

    .nav-open i:nth-child(3) {
        margin-top: 4px;
    }
}

#nav:checked+.nav-open {
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}

#nav:checked+.nav-open i {
    background: #fff;
    -webkit-transition: transform 0.2s ease;
    -o-transition: transform 0.2s ease;
    transition: transform 0.2s ease;
}

#nav:checked+.nav-open i:nth-child(1) {
    -webkit-transform: translateY(6px) rotate(180deg);
    -ms-transform: translateY(6px) rotate(180deg);
    -o-transform: translateY(6px) rotate(180deg);
    transform: translateY(6px) rotate(180deg);
}

#nav:checked+.nav-open i:nth-child(2) {
    opacity: 0;
}

#nav:checked+.nav-open i:nth-child(3) {
    -webkit-transform: translateY(-6px) rotate(90deg);
    -ms-transform: translateY(-6px) rotate(90deg);
    -o-transform: translateY(-6px) rotate(90deg);
    transform: translateY(-6px) rotate(90deg);
}

#nav:checked~.nav-container {
    z-index: 9990;
    opacity: 1;
}

#nav:checked~.nav-container ul li a {
    opacity: 1;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
}