.blackwhite {
background-color: black;
color:white;
}
             
.blackblack {
background-color: black;
color:black;
}
           
.containerBox {
position: relative;
max-width: 754px;
max-height: 496px;
}
               
.text-box {
position: absolute;               
text-align: center;
top: 0;
bottom: 0;
right: 0;
left: 0;
color:white;
}
               
.img-responsive {
width: 100%;
height: 100%;
}
               
.dataNumber {
margin-top: 3em;
margin-bottom: 3em;
}

@media screen and (max-width: 50em) {
.dataNumber {
font-size: 2vw;
}
}