a.btn_23 {
  font-family: "vdl-yotag", sans-serif;
  font-weight: bold;
  font-style: normal;
  font-size: 18px;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 8px;
  display: block;
  width: 80%;
  padding: 10px;
  border: 2px solid #E78900;
  color: #E78900;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
  -webkit-box-shadow: 3px 3px 10px #C2C2C2;
  box-shadow: 3px 3px 10px #C2C2C2;
  border-radius: 30px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 50px;
  background-color: #FFFFFF;
}
a.btn_23::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #E78900;
  transform: translateX(-100%);
  transition: all .3s;
  z-index: -1;
}
a.btn_23:hover::before {
	transform: translateX(0);
}
a.btn_23:hover {
  -webkit-box-shadow: 0px 0px 0px #363636;
  box-shadow: 0px 0px 0px #363636;
	color: #fff;
  transition: all .3s;
}