* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

#particles-js {
    width: 100%;
    height: 100vh;
    background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.5)), url("bg.jpg");
    background-size: cover;
    background-position: center;
}

h1 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: aliceblue;
    font-size: 80px;
}


@media (max-width: 1023px) {
   
    h1 {
        font-size: 40px;
    }

}