body {
       background-image: url(Bakrundsbild.jpg);
       background-size: cover;
       width: 1200px;
       margin: 25px , auto;
        align-content: center
          
            }
header {
        text-align: center;
        margin: 0, auto;
     
            }
main {
    background: rgb(183, 206, 253, 0.9);
    margin: auto;
            }

Footer {
    background-color:rgb(38, 77, 115);
   
}
nav {
    
    text-align: center;
    letter-spacing: 10px;
    margin: 
}

nav a {
    font-family:  Arial, Helvetica, sans-serif;
    font-style: oblique;
    color: black;
    background: lightgray;
    display: inline-block;
    text-decoration: none;
    text-transform: uppercase;
    width: 290px;
    padding: 10px 0px;
    border-bottom: 3px solid black;

}
nav a:hover {
    color: white;
    background: #99b3ff;
    border-bottom-color: #99b3ff;
}
div{
    background-color: rgb(254, 255, 255, 0,1);
}

table {
    margin: 40px auto;
    border-collapse: collapse;
    text-align: center;
}
td{
    
    border-top: none;
   
}
th{
    font-family: Helvetica;
    font-style: oblique;
    font-size: 30px;
    letter-spacing: 5px;
    text-decoration: none;
    width: 290px;
    padding: 10px 0px;
    border: 3px solid black;
    margin: 0px 0px 10px;