.telegram-button {
  position: fixed;
  right: 30px;
  bottom: 40px;
  z-index: 9999;
}

.telegram-button__link {
  background: #00BCE7;
  border-radius: 45px;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  line-height: 50px;
  overflow: hidden;
  display: inline-block;
  width: 256px;
  height: 46px;
  outline: none;
  position: relative;
  transition: 1s ease-in-out;
  transition-property: background;
  
  /* Для иконки + текста */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0;
  color: #ffffff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
}

.telegram-button__link:focus {
  border-radius: 45px;
  background: #00BCE7;
  text-transform: uppercase;
  text-decoration: none;
}

.telegram-button__link:active {
  border-radius: 45px;
  background: #00BCE7;
  text-transform: uppercase;
  text-decoration: none;
}

.telegram-button__link:visited {
  border-radius: 45px;
  background: #00BCE7;
  text-transform: uppercase;
  text-decoration: none;
}

.telegram-button__link:hover {
  background: #0097b8;
  transition: 1s ease-in-out;
}

.telegram-button__icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .telegram-button {
    right: 16px;
    bottom: 24px;
  }
  .telegram-button__link {
    width: 220px;
    height: 40px;
    line-height: 40px;
    font-size: 12px;
  }
  .telegram-button__icon {
    width: 18px;
    height: 18px;
  }
}