body{
    height: 100%;
    width: 100%;
    background-color: rgb(187, 187, 187);
}

.helloDiv{
    position: absolute;
    color: rgb(138, 138, 138);
    font-family: impact;
    top: 42%;
    width:100%;
    text-align:center;
    font-size: 100px;
}