.btn_black {
	display: block;
	color: #000;
	font-size: 1.5rem;
	text-align: center;
	font-weight: bold;
	padding: 7px 10px;
	width: 70%;
	margin: 10px auto;
	position: relative;
	overflow: hidden;
	border: #707070 solid 1px;
}
.btn_black:after {
  position: absolute;
  content: "";
  width: 0;
  height: 100%;
  top: 0;
  right: 0;
  z-index: -1;
  background: #8B252A;
  transition: all 0.3s ease;
}
.btn_black:hover {
  background: none;
	color: #fff;
	border: #8B252A solid 1px;
}
.btn_black:hover:before {
    border-top: solid 2px #8B252A;
    border-right: solid 2px #8B252A;
}
.btn_black:hover:after {
  left: 0;
  width: 100%;
}
.btn_more {
	max-width: 230px;
}