Generatore di Pulsanti CSS

.button {
  background: #3498db;
  background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
  background-image: -moz-linear-gradient(top, #3498db, #2980b9);
  background-image: -ms-linear-gradient(top, #3498db, #2980b9);
  background-image: -o-linear-gradient(top, #3498db, #2980b9);
  background-image: linear-gradient(to bottom, #3498db, #2980b9);
  -webkit-border-radius: 28;
  -moz-border-radius: 28;
  border-radius: 28px;
  font-family: Arial;
  color: #ffffff;
  font-size: 20px;
  padding: 10px 20px 10px 20px;
  text-decoration: none;
}

.button:hover {
  background: #3cb0fd;
  background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
  background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
  text-decoration: none;
}    

.button:active {
  background: #3cb0fd;
  background-image: -webkit-linear-gradient(bottom, #3cb0fd, #3498db);
  background-image: -moz-linear-gradient(bottom, #3cb0fd, #3498db);
  background-image: -ms-linear-gradient(bottom, #3cb0fd, #3498db);
  background-image: -o-linear-gradient(bottom, #3cb0fd, #3498db);
  background-image: linear-gradient(to top, #3cb0fd, #3498db);
  text-decoration: none;
}       

.button:before{
  content:  "\0000a0";
  display: inline-block;
  height: 24px;
  width: 24px;
  line-height: 24px;
  margin: 0 4px -6px -4px;
  position: relative;
  top: 0px;
  left: 0px;
  background: url("GeneratorePulsanti/test-ico.png") no-repeat left center transparent;
  background-size: 100% 100%;
}