.row>div:nth-child(4) {
    height: 400px;
    width: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-color: white;
    margin-right: 0%;
    margin-left: 0%;
    margin-bottom: 0%;
}
.row>div:nth-child(1) {
   font-weight: bold;
    font-size: 26px;
    margin-top: 4%;
    margin-bottom: 3%;

}
.row>div:nth-child(2) {
   font-weight: bold;
   font-size: 17px;
   color:dimgray;
   margin-bottom: .7%;
}

.row>div:nth-child(5) {
   font-weight: bold;
   font-size: 13px;
   margin-bottom: 6%;
}
.row>div:nth-child(6) {

   font-size: 17px;

}
.row>div{
    margin-bottom: 2%;
}
.row {
   margin-bottom: 2%;
   line-height: 1.5;

}
.imagesource{
   color: gray ;
}
@media only screen and (max-width: 620px) {

   .row>div{
    margin-right: 2%;
    margin-left: 2%;
   }
   .row>div:nth-child(4) {
    height: 250px;
   }

}