a.button7 {
  font-weight: 1;
  color: white;
  text-decoration: none;
  padding: .8em 1em calc(.8em + 3px);
  border-radius: 3px;
  background: rgb(136, 174, 253);
  box-shadow: 0 -3px rgb(0, 154, 215) inset;
  transition: 0.2s;
} 
a.button7:hover { background: rgb(0, 154, 215); }
a.button7:active {
  background: rgb(33,147,90);
  box-shadow: 0 3px rgb(33,147,90) inset;
}
@media only screen and (min-width:240px) and (max-width:480px){
.feedbacks li {
    width: 100%;
    text-align: center;
    float: none;
     margin-bottom:10px;
}