html {
  direction: rtl;
  line-height: 1.2;
  /* max-width: 800px; */
  margin: 20px auto;
  text-align: justify;
  font-size: 16pt;
  color: #404040;
  background-color: #f9f7ec;
  font-feature-settings: "pnum" 1;
}
.button-89 {
  --b: 3px;   /* border thickness */
  --s: .45em; /* size of the corner */
  --color: #373B44;
  
  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;
  font-family: ArefRuqaaBold;

  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;
}

  @font-face { font-family: ArefRuqaa; src: url('ArefRuqaaInk-Regular.ttf'); } 
  h1 {
     font-family: ArefRuqaa
  }
  @font-face { font-family: ArefRuqaaBold; src: url('ArefRuqaa-Bold.ttf'); } 
  h2 {
     font-family: ArefRuqaaBold;
     text-decoration : underline;
     font-weight: normal;
     text-align: center;
    
  }