header nav ul {
    list-style-type: none;
    padding: 0;
}

header nav ul li {
    display: inline;
    margin-right: 10px;
    top: 0;
    list-style: none;

}
body {
    background: #333;
    background-color: navy;
    background-size: cover; 
    background-position: center; 
    background-repeat: no-repeat; 
    color: white;
    font-family: sans-serif;  margin: 0;
  padding: 0;
  height: 100vh; 
  justify-content: center;
  align-items: center;
  font-family: Arial, sans-serif;
    padding: 0;

  

}
h1{
    justify-content: center;
    margin-left: 660px; 
}
p{
    justify-content: center;
    display: inline-block;
    justify-content: center;
    align-items: center;
    margin-right: 100px;
    margin-left: 100px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}


}
dd li a{
    align-items: center;
    justify-content: center;
    margin-left: 660px;
  
}

header {
    background-color: #f8f9fa;
    padding: 10px;
    top: 9px;
    unicode-bidi: isolate;
}


ul {
    padding: 0;
    list-style-type: none;
    text-align: center;
}

ul li {
    display: inline;
    margin: 0 10px;
    cursor: pointer;
}

ul li.active {
    font-weight: bold;
}



 .footer {
    background-color: rgba(241, 241, 241, 0.8);
    padding: 10px 0;
    text-align: center;
    bottom: 0; 
    width: 100%; 
}

.footer .container {
    display: flex;
    justify-content: center;
    bottom: 0;
}

.footer .row {
    width: 100%;
}

.footer .col-4 {
    flex: 1;
}