Кнопка социальной сети для сайта

<div class="bottom-bar">
  <a href="https://wa.me/99361615787" target="_blank" aria-label="WhatsApp">
  <div class="icon-btn">
  <img src="/Surat/whatsapp.png" alt="WhatsApp" />
  </div>
  </a>
  <a href="https://t.me/+99361615787" target="_blank" aria-label="Telegram">
  <div class="icon-btn">
  <img src="/Surat/telegram.png" alt="Telegram" />
  </div>
  </a>
  <a href="https://www.instagram.com/piriyew_janmyrat" target="_blank" aria-label="Instagram">
  <div class="icon-btn">
  <img src="/Surat/instagram.png" alt="Instagram" />
  </div>
  </a>
  <a href="https://www.tiktok.com/@janmyrat.05" target="_blank" aria-label="TikTok">
  <div class="icon-btn">
  <img src="/Surat/tiktok.png" alt="TikTok" />
  </div>
  </a>
</div>

<style>
  .bottom-bar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 18px;
  z-index: 9999;
  animation: fadeInUp 0.8s ease;
  }

  .icon-btn {
  width: 55px;
  height: 55px;
  background: rgba(30, 30, 30, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.5), inset 0 1px 4px rgba(255,255,255,0.2);
  backdrop-filter: blur(6px);
  transition: all 0.3s ease;
  }

  /* Ikonka hemişe asyl reňkinde görünýär */
  .icon-btn img {
  width: 28px;
  height: 28px;
  transition: transform 0.3s ease, filter 0.3s ease;
  }

  /* Hover wagtynda ýagty we ulalýar */
  .icon-btn:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 0 15px rgba(255,255,255,0.7), 0 0 30px rgba(255,255,255,0.4);
  }

  .icon-btn:hover img {
  transform: scale(1.2);
  filter: brightness(1.2);
  }

  @keyframes fadeInUp {
  from {
  opacity: 0;
  transform: translate(-50%, 20px);
  }
  to {
  opacity: 1;
  transform: translate(-50%, 0);
  }
  }
</style>