* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-image: url("../images/Dots.png");
    background-repeat: repeat;
    background-attachment: fixed;
    background-size: auto;
    overflow-x: hidden;
}

.mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: hsla(0, 0%, 0%, 1);
    mask: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(0, 0, 0, 0.2) 80px, black 250px);
    -webkit-mask: radial-gradient(circle at var(--mouse-x) var(--mouse-y), rgba(0, 0, 0, 0.2) 80px, black 250px);
    z-index: -1;
}

.main-content {
    position: relative;
    z-index: 1;
}