Block Website with CSS by nquangit

/* ==UserStyle==
@name           Example
@namespace      example.com
@version        1.0.0
@description    A new userstyle
@author         Me
==/UserStyle== */

@-moz-document domain("example.com") {
    /**
        Your code goes here!
        More info in the official documentation at Stylus' wiki:
        https://github.com/openstyles/stylus/wiki/Writing-UserCSS
    */
    html::before {
    content: "nquangit";
    width: 100%;
    height: 100%;
    background-color: rgba(59, 66, 82, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Brush Script MT', cursive;
    font-weight: bold;
    text-transform: none;
    line-height: 5;
    color: #01fe87;
    letter-spacing: 10px;
    font-size: 4rem;
    position: fixed;
    z-index: 999999;
    box-sizing: border-box;
}
}