#i20 {
  margin:50px 50px 50px 50px;padding:30px 30px 30px 30px;
}
@media screen and (max-width:767px) {
  #i20 {
    margin:0px 0px 50px 0px;padding:30px 20px 20px 20px;
  }
}
#i21 {
  padding:20px 0px 0px 0px;
}
#i22 div.box {
  width:24%;
}
@media screen and (max-width:767px) {
  #i22 div.box {
    width:49%;
  }
}
#i22 > div {
  gap:15px 1%;
}
@media screen and (max-width:767px) {
  #i22 > div {
    gap:20px 1%;
  }
}