* {
    margin: 0;
    padding: 0;
}
html,
body {
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}
.py-1 {
    padding-top: 0.25rem !important;
    max-width: 100%;
    width: 100%;
    max-height: 100%;
    height: 100%;
}