html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: rgb(64, 64, 128);
    color: #000000;
}

body {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 {
    color:aliceblue;
    font-size: 3em;
    font-weight: bold;
    margin: 0px;
}

h3 {
    color:aliceblue;
    font-size: 2em;
    margin: 0px;
}

h6 {
    color:aliceblue;
    font-size: 1em;
    margin: 0px;
}