.btn {
  width: 90px;
  height: 32px;
  padding:2px;
  font-size:13px;
  background-color: #47AFE8;
  color: #fff;
  border: none;
  margin: 0 2px;
  border-radius: 2px;
  cursor:pointer;
  outline:none;
}
.btn.large {
  width: 120px;
  height: 24px
}
.btn.medium {
  width: 75px;
  height: 24px
}
.btn.small {
  width: 60px;
  height: 24px
}