*{margin: 0;
    padding: 0;
    font-family: Cinzel, arial;
    box-sizing: border-box;
}
body {
    background-size: 100% 100%;
}

#wrapper {
    max-width: 1500px;
    margin: 0 auto 0 auto;
    background-color: white;
}

.big {
    width: 100%;
    display: block;
}


nav {
    overflow: hidden;
    font-size: 22px;
    }

nav a {    display: block;
    width: 20%;
    float: left;
    padding: 15px 30px 15px 30px;
    color: white;
    text-decoration: none;
    text-align: center;
     background-color:dodgerblue;
}

nav a:hover {
     -webkit-transition: all 1s ease;
    transition: all 1s ease;
    background-color:blue;
}

.active {
    background-color:firebrick;
}

article {
    margin-top: 30px;
    margin-bottom: 20px;
    padding: 0 20px;
}

article h1 {
    font-size: 35px;
    text-align: center;
    margin: 20px 10% 20px 10%;
    padding-bottom: 10px;
    padding-top: 10px;
    border-bottom: 2px solid crimson;
    border-top: 2px solid crimson;
}


#mapka1 {
    float: left;
    margin:  0px 50px 20px 0px;
    width: 50%;
    
}
article h2 {
    text-align: justify;
    font-size: 20px;
    margin-top: 40px;
    margin-bottom: 200px;
    line-height: 50px;
}

#mapka2 {
    float: left;
    margin:  0px 50px 20px 0px;
    width: 50%;
    
}
article h3 {
    text-align: justify;
    font-size: 20px;
    margin-top: 40px;
    margin-bottom: 200px;
    line-height: 50px;
    border-top: 2px solid crimson;
    padding-top: 15px;
}


footer {
     height: 90px;
    margin-bottom: 5px;
    margin-top: 30px;
    padding: 15px;
     background-color: dodgerblue;
    color: white;
    font-size: 12px;
}


@media (max-width:900px) {
    nav a {
        width: 100%;
    }
}

@media (max-width:900px) {
    article h2 {
        font-size: 15px;
    }
    #mapka1 {
        width: 100%;
    }
    article h3 {
        font-size: 15px;
    }
    #mapka2 {
        width: 100%;
    }
}

@media (max-width:300px) {
    article h2 {
        font-size: 10px;
    }
    article h3 {
        font-size: 10px;
    }
}