.heading-customer span{
    display:block;
}
.WhiteContainer{
    background-color:#fff;
  
     padding:30px 40px;
}
.ContainerCenter{
    text-align:center;
}
.ContainerStart{
    justify-content:start;
}
.WhiteContainer h3{
    font-size:17px;
   padding-bottom:30px;
}