#menu_bar label, #menu_bar input {
    display: none;
}

#menu_bar {
    background-color: darkblue;
    width: 75%;
    margin: auto;
    text-align: center;
    max-width: 2000px;
    border-right: 1px solid black;
    border-left: 1px solid black;
    min-width: 450px;
}

.menu_block {
    padding: 10px;
    margin: auto;
}

.menu_block a {
    margin: 10px;
    color: white;
    border-top: 5px solid;
    border-bottom: 5px solid;
    border-image-slice: 0.5;
    border-image-source: radial-gradient(white 75%, darkblue 85%);
}

.menu_block a:hover {
    transition: none;
    border-image-source: radial-gradient(deepskyblue 75%, darkblue 85%);
}

#menu_bar_res {
    display:block;
    background-color: darkblue;
    width: 100%;
    margin: auto;
    text-align: center;
    max-width: 2000px;
    border-right: 1px solid black;
    border-left: 1px solid black;
    min-width: 100%;
}

.menu_block_res {
    display: none;
}

.menu_block_res {
    padding: 10px;
    margin: auto;
}

.menu_block_res a {
    margin: 10px;
    color: white;
    border-top: 5px solid;
    border-bottom: 5px solid;
    border-image-slice: 0.5;
    border-image-source: radial-gradient(white 75%, darkblue 85%);
}

.menu_block_res a:hover {
    transition: none;
    border-image-source: radial-gradient(deepskyblue 75%, darkblue 85%);
}

/*-------Po najeti mysi na odkaz v menu---------*/
a:hover {
    color: deepskyblue;
    transition: 1s;
}

@media only screen and (max-width: 450px) {

    body {
        background-color: darkblue;
    }

    #menu_bar label {
        position: absolute;
        right: 0;
        display: inline-block;
        color: white;
        background: royalblue;
        border: 1px solid black;
        margin-top: 1px;
        padding: 20px;
        font-size: 2em;
        font-style: normal;
        width: 30px;
    }

    #menu_bar {
        max-width: 100px;
        width: 50%;
        font-size: 100%;
        border: 10px solid yellow;
    }

    #menu_bar label {

        margin: auto;
        border: 10px solid lightgreen;
    }

    #menu_bar > img {
        width: 250px;
    }

    nav a {
        box-sizing: border-box;
        display: block;
        width: 100%;
    }

    nav {
        display: none;
    }

    #menu_bar input:checked ~ nav {
        display: block;
        margin-right: 100px;
    }

    .menu_block {
        border: 10px solid red;
    }

    .menu_block a {
        border: none;
    }

    #menu_bar_res {
        border-left: none;
        border-right: none;
    }

    #menu_bar {
        display: none;
    }

    .menu_block_res {
        display: block;
    }

    .menu_block_res a {
        display: block;
    }
}