body {
    background-image: url("background.jpg");
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-attachment: fixed;
}

.fadeIn {
    -webkit-animation: fadeIn 3s ease-in-out;
    -moz-animation: fadeIn 3s ease-in-out;
    -o-animation: fadeIn 3s ease-in-out;
    animation: fadeIn 3s ease-in-out;
}

span {
    position:absolute;
    top:40%;
    left:50%;
    transform:translate(-50%,-50%)
}

.absolute {
    color: #143C7F;
    font-size: 1.2em;
    position: absolute;
    bottom: 10px;
    width: 50%;
    text-align: center;
    left:50%;
    transform:translate(-50%,-50%)
    
}