*{
    box-sizing: border-box;
}

section{
    background-color:hsl(0, 0%, 25%);
}

#projekty{
    width:1200px;
    margin: 30px auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

a.projekt{
    width:40%;
    height: 400px;
    background-color: hsl(200, 3%, 35%);
    padding:10px;
    margin:20px;
    text-decoration: none;
    color: white;
    display: block;
}

h3{
    text-align: center;
    font-size: 24px;
}

