@import url(https://fonts.googleapis.com/css?family=Roboto);

body {
  background-color: #212121;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn {
  font-family: 'Roboto', Arial, sans-serif;
  color: #ffffff;
  cursor: pointer;
  padding: 0px 40px;
  display: inline-block;
  margin: 15px 30px;
  text-transform: uppercase;
  line-height: 2.7em;
  letter-spacing: 1.5px;
  font-size: 1em;
  outline: none;
  position: relative;
  font-size: 16px;
  border: 3px solid #fff;
  background-color: transparent;
  border-radius: 15px 0 15px 15px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.btn:before {
  content: '';
  position: absolute;
  right: -3px;
  top: -3px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 35px 35px 0;
  border-color: transparent #c87f0a transparent transparent;
  z-index: 1;
}

.btn:hover,
.btn.hover {
  border-color: #c87f0a;
}