body {
    margin: 0 auto;
    width: 90%;
}
header {
    margin: 0 auto;
    width: 300px;
    text-align: center;
}
nav {
    margin: 0 auto;
    width: 300px;
    background-color: blue;
    color: white;
    font-weight: bold;
    text-align: center;
    padding: 20px;
    border-radius: 10px;


}
a {
    text-decoration: none;
    color: white;
}
#bds {
    width: 300px;
}

h1 {
    font-family:Arial, Helvetica, sans-serif;
    color: rgb(5,43,72)
}
h2 {
    font-family: Arial, Helvetica, sans-serif;
    color: rgb(76,158,69);
}