* {
        scrollbar-width: thin;
        text-align: center;
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        display: flex;
        align-items: center;
        flex-direction: column;
        background: black;
        color: gray;
        font-family: monospace;
        width: 100%;
        height: 100%;
        overflow-x: hidden;
        gap: 20px;
        padding: 20px;
        justify-content: center;
    }
    main {
        display: flex;
        flex-direction: column;
        gap: 50px;
    }
    a {
        color: white;
        text-decoration: underline;
        font-size: 40px;
    }

    .krytie {
        padding: 20px;
        border: 1px solid gray;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 50px;
    }
    .nav-btn {
        padding: 12px 24px;
        background: transparent;
        border: 1px solid gray;
        color: white;
        cursor: pointer;
        font-size: 20px;
    }
    .navbar {
        display: flex;
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
        gap: 30px;
    }
    .nav-btn:hover {
        border: 1px solid red;
    }
    .tab {
        max-width: 1700px;
        width: 100%;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        margin: 0 auto;
        animation: fadeIn 0.3s ease-in-out;
        display: none;
    }
    .tab.active {
        display: flex;
    }
    .content {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        justify-content: center;
        gap: 15px;
    }
    #tutor {
        margin-bottom: 100px;
    }
    span {
        font-size: 20px;
    }
    video {
        height: 350px;
        width: 350px;
    }
    .content img{
        max-width: 750px;
    }
    img,
    video {
        outline: 1px solid gray;
    }


    h2 {
        font-size: 40px;
        width: 100%;
    }

    p {
        color: black;
        font-weight: 600;
        font-size: 20px;
        width: 100%;
        background: red;
        padding: 20px;
    }

    h1 {
        color: white;
        font-size: 60px;
    }
    @media screen and (max-width: 850px) {
        .content {
            flex-direction: column;
            align-items: center;
        }
        .content img {
            width: 80%;
        }
    }