body{
    background-color: #00072D;
    margin: 0px;
}
nav ul{
    background-color: #1A43BF;
    display: flex;
    list-style-type: none;
    
}
nav ul li{
    position: relative;
    padding: 12px 10px;
    font-size: larger;
    text-align: center;
}
nav ul li a{
    text-decoration: none;
    color: white;
}
nav ul li ul{
    position: absolute;
    font-size: medium;
    display: none;
    padding-left: 0px;
    background-color: rgba(107, 141, 170, 0.432);
    
}
nav ul li ul li{
    padding-left: 5px;
    padding-top: 5px;
}

nav ul li:hover ul{
    display: block;
    left: 0px;
    top: 100%;
}

nav ul li:hover {
    background-color: #0A2472;
}
h3{
    background-color: black;
    color: white;
    padding: 15px 14px;
}