@font-face {
  font-family: 'Vazir';
  src:
    url('../assets/Vazir.woff2') format('woff2'),
    url('../assets/Vazir.woff') format('woff');
}

body {
  text-align: center;
  margin: auto;
  width: 80%;
  font-family: 'Calibri', 'Segoe UI', 'Tahoma', Geneva, Verdana, sans-serif;
  background-color: #f0f0f0;
  color: #333;
}
header {
  color: aliceblue;
  background-color: blueviolet;
  border: 2px darkblue solid;
  margin: 0.5em auto;
  padding: 20px;
  text-align: center;
}
main {
  margin-top: 20px;
}
footer {
  margin-top: 40px;
  text-align: center;
  font-size: 0.9em;
  color: #666;
}
button {
  font-family: inherit;
  padding: 10px 20px;
  border: #0056b3 1px solid;
  cursor: pointer;
  border-radius: 4px;
}
button.mybtn {
  background-color: #007bff;
  color: white;
}
button.mybtn:hover {
  background-color: #0056b3;
  color: #e0e0e0;
}
input {
  font-family: inherit;
  font-size: inherit;
}
.rtl {
  direction: rtl;
  unicode-bidi: plaintext;
}

.fa {
  font-family: 'Vazir', Tahoma, Geneva, Verdana, sans-serif;
}

.invisible {
  visibility: hidden;
}

.no-show {
  display: none;
}

.big-text {
  font-size: 1.7em;
}

@media (max-width: 640px) {
  body {
    width: 95%;
  }
}