.title1 {
    font-size: 40px;
    z-index: 10;
    color: white;
    text-align: center;
    vertical-align: middle;
    font-family: Optima, Segoe, "Segoe UI", Candara, Calibri, Arial, sans-serif;
}

body {
    margin: 0;
    position: fixed;
}

canvas {
    position: absolute;
    display: block;
    z-index: -1;
}

.wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.cover {
    position: absolute;
    height: 100vh;
    width: 100vw;
    opacity: 0.5;
    background-color: black;
    z-index: 5;
}

.box {
    display: table-cell;
    position: absolute;
    height: 300px;
    width: 800px;
    top: 50vh;
    left: 50vw;
    z-index: 6;
    transform: translate(-400px, -150px);
    line-height: 200px;
}