.fullscreenDiv {
    background-color: #e8e8e8;
    width: 100%;
    height: auto;
    bottom: 0px;
    top: 0px;
    position: absolute;
    text-align: center;
}
.handwritten {
    max-width: 400px;
    top: 150px; 
    text-align: center;
    vertical-align: middle;
}
.center {
    position: absolute;
    width: 1000px;
    height: 50px;
    left: 50%;
    top: 50%;
    margin-left: -450px;
}