body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 0;
    background-color: #f8f8f8;
}
h1, h2, h3 {
    color: #333;
    text-align: center;
    font-weight: bold;
    font-size: 40px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
table, th, td {
    border: 1px solid #ccc;
}
th, td {
    padding: 8px;
    text-align: left;
}
th {
    background-color: #f2f2f2;
}
.wrap {
    width: 80%;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
@media only screen and (max-width: 1560px) {
    .wrap {
        width: 1210px;
    }
    body{
        margin: 20px 0;
    }
  }
nav {
    padding: 20px 10px;
    text-align: center;
    height: 850px;
    background-image: url("banner.jpg");
    background-position: center;
    background-size: cover;
    border-radius: 50px;
}
nav ul {
    margin: 0;
    padding: 0;
    position: relative;
    float: right;
}
nav ul li {
    list-style-type: none;
    display: inline;
    margin-top: 200px;
}
nav ul li a {
    color:white;
    text-decoration: none;
    background-color: rgba(34, 34, 34,0.95);
    padding: 15px;
    font-size: 24px;
    font-weight: bold;
    border-radius: 12px;
    display: inline-block;
    margin-top: 10px;
    margin-left: 10px;
    box-shadow: 5px 6px rgba(136, 136, 136,0.8);
}
nav ul li a:hover{
    color:#bbb;
    background-color: rgba(17, 17, 17);
    box-shadow: 5px 6px rgba(119, 119, 119,0.8);
    transition: 0.2s;
}
nav ul li a:active{
    color:#222;
    background-color: #ccc;
    box-shadow: 5px 6px rgba(170, 170, 170,0.8);
    transition: 0.2s;
}
section p {
    font-size: 28px;
    margin: 0 12% 50px 12%;
} 
.logo {
    position: relative;
    float: left;
}
.logo img {
    width: 200px;
    height: 100px;
}
.text-naramky {
    margin: 250px auto ;
    clear: both;
    background-color: rgba(190, 190, 190, 0.92);
    width: 700px;
    box-shadow: 0 0 20px black;
    border-radius: 40px;
}
.text-naramky p {
    box-sizing: border-box;
    text-align: justify;
    padding: 34px;
    font-size: 25px;
}
.centr {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
}
.flex-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: center;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
}  
.flex-container .box {
    flex-grow: 1;
    flex-shrink: 0;
    flex-basis: 0;

}
.flex-container .box img {
    width: 350px;
    height: 350px;
    border: #171717 2px solid;
    border-radius: 4px;
}
footer {
    margin-top: 50px;
    text-align: center;
}