body {
    background-color: deepskyblue;
    background-image: 
}

.platform {
    margin: auto;
    width: 25%;
    padding: 25px;
    background-color:mintcream;
    position: center;
    height: 50%;
    
}

.siteSurface {
}

.H1 {
}

.labelHeader {
    text-align: center;
    font-size: 20px;
    position: center;
}