.btn1 {
  cursor: pointer;
  border-radius: 5px;
  text-decoration: none;
  padding-left: 15px;
  padding-right: 15px;
  padding-top: 3px;
  padding-bottom: 3px;
  font-size: 18px;
  transition: .3s;
  -webkit-transition: .3s;
  -moz-transition: .3s;
  -o-transition: .3s;
  font-family: Arial;

  display: inline-block;
  background-color: #fff;
  text-align: center;
}

.btn2 {
  cursor: pointer;
  border-radius: 5px;
  text-decoration: none;
  padding-left: 19px;
  padding-right: 20px;
  padding-top: 3px;
  padding-bottom: 3px;
  font-size: 18px;
  transition: .3s;
  -webkit-transition: .3s;
  -moz-transition: .3s;
  -o-transition: .3s;
  font-family: Arial;

  display: inline-block;
  background-color: #fff;
  text-align: center;
}


.green {
  color: #5cb85c;
  border: 2px #5cb85c solid;
}
.green:hover {
  color: #fff;
  background-color: #5cb85c;
}
.blue {
  color: #999;
  border: 2px #999 solid;
}

.blue:hover {
  background-color: #999;
  color: #fff
}