.btnexam3 {
  background-color: transparent;
  border-radius: 10rem;
  color: aqua;
  padding: 15px;
  text-align: center;
  text-decoration: none;
  margin: 4px 2px;
  cursor: pointer;
  border-width: 3cap;
  border: 2px solid  #ca883c;
}
.btnexam3:hover {
background-color: #a55800;
  color: aqua;
}
.exmp4 img {
  float: none!important;
  padding: 0!important;
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
  position:absolute;
  right:5%;
/*  z-index:-1;*/
  top:30%;
}