img {
  width: 33%;
  height: auto !important;
}

.imgIcon {
  width: auto !important;
  height: auto !important;
}

.imgSmaller {
  width: 15%;
}

.imgSmall {
  width: 25%;
}

.imgMed  {
  width: 50%;
}

.imgLarge {
  width: 75%;
}

.img100 {
  width: 100%;
}

.imgAnnouncement {
  width: 66%;
  height: auto !important;
  display:block;
  margin: 30px auto;
}

@media only screen and (max-width:640px) { img, .imgSmaller, .imgSmall, .imgMed, .imgLarge, .img100, .imgAnnouncement {width: 100%;} }