a.jump {
  padding-left: 8px;
  background-color: transparent;
  background-image: url(../img/a-r.png);
  background-repeat: no-repeat;
}
    
#c {
  height: 75px;	
}

.main-communication {
  text-align: center;	
  width: 850px;
  height: 300px;
  margin-left: 55px;
}