media.css

@media (min-width: 991px) {
    .nav-header-subpage {
        display: block !important;
    }
}

@media (max-width: 1199px) {
    .cnt-about-practice .list-about-practice h3 {
        font-size: 18px;
    }
}

@media (max-width: 991px) {
    h1 {
        font-size: 30px;
    }

    #title, #title-question {
       font-size: 38px !important; 
    }

    .container-main, .container {
        padding-left: 0px;
        padding-right: 0px;
        margin-top: 25px;
    }

    #descritpion {
        margin-bottom: 15px !important;
    }
    
    #title-question {
        margin-top: 32px !important;
    }

    nav, #nav-header, .nav-items a {
        width: 100% !important;
    }

    nav {
        margin-right: 0px;
        margin-top: 10px;
    }

    #nav-header-exam {
        overflow: hidden;
    }

    #nav-header {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
        -webkit-box-align: center;
            -ms-flex-align: center;
                align-items: center;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
        margin-top: 10px;
    }

    .nav-items a {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
        border-bottom: 1px solid silver;
        padding: 15px 0px !important;
        margin: 0px;
    }

    #row-nav {
        padding-right: 10px !important;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
    }

    #nav-wrapper {
        -webkit-box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.5);
                box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.5);
        padding: 10px 0px 0px 0px;
    }

    #nav-wrapper .container {
        margin-top: 0px;
    }

    .nav-items:hover::after, .nav-items::after {
        height: 0px !important;
        width: 0 !important;
    }

    .nav-header-subpage {
        width: 100%;
        position: relative;
        background-color: transparent;
        border: 0px;
        -webkit-box-shadow: none;
                box-shadow: none;
        visibility: visible;
        opacity: 1;
        -webkit-transition: none;
        -o-transition: none;
        transition: none;
    }

    .nav-items a, .nav-header-subpage li {
        border-bottom: 0px;
    }

    .nav-items .icon-down-open-mini::before {
        margin-right: 10px !important;
    }

    .nav-items {
        border-bottom: 1px solid silver;
        margin: 0px !important;
    }

    .nav-items:last-child {
        border-bottom: none;
    }
    
    .cnt-about-practice {
        padding-top: 50px;
        padding-left: 10px;
        padding-right: 10px;
    }

    #info-about-practice {
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
    }

    .r-about-exam {
        display: block !important;
        padding-left: 20px !important;
        padding-right: 0px !important;
    }

    .r-about-exam img {
        width: 100% !important;
        height: auto !important;
        padding: 0px 20px;
    }

    .cnt-about-exam {
        padding-right: 10px !important;
        padding-left: 10px !important;
    }

    .cnt-about-exam ul {
        -webkit-padding-start: 0px !important;
                padding-inline-start: 0px !important;
    }

    .exam-practice-cnt-header p {
        font-size: 18px !important;
        margin-bottom: 4px !important;
    }

    .btn-large.btn-large-test {
        min-width: 60px !important;
        max-width: 60px !important;
        height: 60px !important;
        padding: 0px !important;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
        -webkit-box-align: center;
            -ms-flex-align: center;
                align-items: center;
    }

    #one-question-wrapper .descritpion {
        margin-bottom: 10px;
    }
    
    .quantity {
        margin-top: 10px;
    }

    .r-about-practice .img-practice-wrapper  {
        padding: 0px;
    }
}

@media (max-width: 768px) {
    #descritpion, #descritpion-autor {
        font-size: 16px !important;
    }

    #title, #title-autor, #title-question {
        line-height: 110% !important;
    }

    #descritpion {
        margin-top: -20px !important;
    }

    html {
        font-size: 0.8rem !important;
    }

    .cnt-about-exam {
        padding-top: 0px !important;
    }

    .r-about-exam {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .header-choose-year {
        padding: 12px 18px !important;
    }

    #header-exam-practice {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: justify;
            -ms-flex-pack: justify;
                justify-content: space-between;
    }

    .exam-practice-cnt-header {
        -webkit-box-orient: vertical !important;
        -webkit-box-direction: normal !important;
            -ms-flex-direction: column !important;
                flex-direction: column !important;
        -webkit-box-align: baseline !important;
            -ms-flex-align: baseline !important;
                align-items: baseline !important;
    }

    #header-exam-practice-cnt {
        overflow: auto;
        -ms-flex-wrap: nowrap;
            flex-wrap: nowrap;
    }
}

@media (max-width: 675px) {
    #scrollup {
        right: 10px;
    }

    html {
        font-size: 0.7rem !important;
    }
}

@media (max-width: 576px) {

    html {
        font-size: 0.6rem !important;
    }

    .row {
        padding-right: 25px !important;
        padding-left: 25px !important;
    }

    #title, #title-question {
       font-size: 36px !important; 
    }

    #row-nav {
        padding-right: 35px !important;
    }

    #description-footer-copyright {
        font-size: 12px;
        padding-left: 15px;
        padding-right: 15px;
    }

    .img-wrapper-exam a {
        max-width: 100% !important;
    }
}

@media (max-width: 550px) {
    .cnt-exam-semestr {
        overflow: auto;
        -ms-flex-wrap: nowrap;
            flex-wrap: nowrap;
    }

    .cnt-exam-practice {
        padding: 0px !important;
    }

}

@media (max-width: 480px) {
    html {
        font-size: 0.6rem !important;
    }

    .row {
        padding-right: 15px !important;
        padding-left: 15px !important;
    }

    #row-nav {
        padding-right: 25px !important;
    }

    .container {
        padding-top: 30px;
    }

    .number-list-practice-wrapper {
        margin: 35px 0px;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
    }

    .cnt-about-practice .number-list-practice {
        padding: 0px 0px 15px 0px !important;
    }
}

@media (max-width: 430px) {
    .cnt-exam-choose-semestr-download {
        width: 100% !important;
    }

    .cnt-exam-choose-semestr-download {
        margin-bottom: 15px;
    }

    .cnt-exam-choose-semestr-download:last-child {
        margin-bottom: 0px;
    }

    .exam-practice-cnt-header-download {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
        width: 100%;
    }
    
    .exam-practice-cnt-header p {
        width: 100%;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
        margin-bottom: 10px !important;
    }
}

@media (max-width: 420px) {
    html {
        font-size: 0.5rem !important;
    }

    .title-main, #title-autor, #title-question, .title-rest, .title-header {
        font-size: 36px !important;
    }
}

@media (max-width: 380px) {
    .bordered .info {
        margin-left: 20px !important;
        margin-right: 20px !important;
    }

    .main-el {
        padding-left: 0px !important;
        padding-right: 0px !important;
    }

    .row {
        padding-right: 10px !important;
        padding-left: 10px !important;
    }

    #row-nav {
        padding-right: 15px !important;
    }

    html {
        font-size: 0.45rem !important;
    }

    .cnt-about-practice {
        padding-right: 5px;
        padding-left: 5px;
    }

    .title-main, #title-autor, #title-question, .title-rest, .title-header {
        font-size: 32px !important;
    }
}

@media (max-width: 330px) {
    #main-button-nav {
        width: 100%;
        -webkit-box-pack: justify;
            -ms-flex-pack: justify;
                justify-content: space-between;
    }

    .button-main-teoria {
        margin-left: 15px;
        margin-right: 0px;
    }

    .button-main-praktyka {
        margin-right: 15px;
        margin-left: 0px;
    }

    .cnt-about-exam ul li p{
        font-size: 14px !important;
    }
}