.button-89 {
  --b: 3px;   /* border thickness */
  --s: .45em; /* size of the corner */
  --color: #e8b100;
  
  padding: calc(.5em + var(--s)) calc(.9em + var(--s));
  color: var(--color);
  --_p: var(--s);
  background:
    conic-gradient(from 90deg at var(--b) var(--b),#0000 90deg,var(--color) 0)
    var(--_p) var(--_p)/calc(100% - var(--b) - 2*var(--_p)) calc(100% - var(--b) - 2*var(--_p));
  transition: .3s linear, color 0s, background-color 0s;
  outline: var(--b) solid #0000;
  outline-offset: .6em;
  font-size: 16px;

  border: 0;

  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.button-89:hover,
.button-89:focus-visible{
  --_p: 0px;
  outline-color: var(--color);
  outline-offset: .05em;
}

.button-89:active {
  background: var(--color);
  color: #fff;
}

.button-68 {
  appearance: none;
  backface-visibility: hidden;
  background-color: #e8b100;
  border-radius: 8px;
  border-style: none;
  box-shadow: rgba(39, 174, 96, .15) 0 4px 9px;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  display: inline-block;
  font-family: Inter,-apple-system,system-ui,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: normal;
  line-height: 1.5;
  outline: none;
  overflow: hidden;
  padding: 13px 20px;
  position: relative;
  text-align: center;
  text-decoration: none;
  transform: translate3d(0, 0, 0);
  transition: all .3s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: top;
  white-space: nowrap;
}

.button-68:hover {
  background-color: #000000;
  opacity: 1;
  transform: translateY(0);
  transition-duration: .35s;
}

.button-68:active {
  transform: translateY(2px);
  transition-duration: .35s;
}

.button-68:hover {
  box-shadow: rgba(39, 174, 96, .2) 0 6px 12px;
}