kzx.css

html 
{
    height: 100%;
    min-height: 100%;
}


body {
    background-color: #18181b;
}
.kzx {
    margin-top: 10rem;
    margin-right: auto;
    margin-left: auto;
    width: 20remrem;
    height: 12rem;
    background-color: #0e0e10;
    color: white
}

h1 {
    font-family: 'Prompt', sans-serif;
}

h2 {

    margin-top: 20rem;
    font-family: 'Prompt', sans-serif;
    color: white
}

h3 {

    font-family: 'Prompt', sans-serif;
    color: white
}