body {
  background-color: transparent;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  display: flex;
}

.btn__out-0040 {
  color: #000;
  text-align: center;
  letter-spacing: 3px;
  text-transform: uppercase;
  flex: none;
  justify-content: center;
  align-self: center;
  align-items: center;
  font-family: Montserrat, sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  display: inline-block;
  position: relative;
}

.out-0040__corner {
  border-top: 1px solid #000;
  border-left: 1px solid #000;
  width: 50%;
  height: 50%;
  position: absolute;
  inset: 0 auto auto 0;
}

.out-0040__corner.top-r {
  border-left-width: 0;
  border-right: 1px solid #000;
  inset: 0% 0% auto auto;
}

.out-0040__corner.bott-r {
  border-width: 0 1px 1px 0;
  border-bottom-style: solid;
  border-bottom-color: #000;
  border-right-style: solid;
  border-right-color: #000;
  inset: auto 0 0 auto;
}

.out-0040__corner.bott-l {
  border-top-width: 0;
  border-bottom: 1px solid #000;
  inset: auto auto 0% 0%;
}

.out-0040__label {
  padding: 30px 35px;
  position: relative;
}