body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    background-color: #000;
    overflow: hidden;
}

.container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

.malha-pontos {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, white 1.5px, transparent 1.5px);
    background-size: 25px 25px;
    z-index: 1;
}

.link,
h1 {
    position: absolute;
    z-index: 2;
    color: red;
    background-color: #000;
    padding: 5px 15px;
    text-decoration: none;
    font-family: monospace;
    font-weight: bold;
    border: 1px solid white;
}

.link:hover {
    background-color: white;
    color: black;
}