【HTML】【CSS】ブログにソーシャルメディアアイコンを表示、アニメーションさせる

HTML

  <div class="btn-wrapper">
      <a rel="noopener" href="SNSプロフィールのアドレス" target="_blank">
          <div class="button">
              <div class="icon"><i class="fab fa-twitter"></i></div>  <!-- fontawesome  -->
              <span>Twitter</span>
          </div>
      </a>
  </div>

  <i class="fab fa-facebook-f"></i> <!-- facebook -->
  <i class="fab fa-youtube"></i> <!-- youtube -->
  <i class="fab fa-github"></i> <!-- GitHub -->
  <i class="fab fa-instagram"></i> <!-- instagram -->

CSS

  .btn-wrapper {
    position: fixed;
    bottom: 50px;
    left: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 200px;
    height: 100px;
  }
  .btn-wrapper .button {
    height: 60px;
    width: 60px;
    background: #fff;
    margin: 0 5px;
    text-align: start;
    overflow: hidden;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 5px 10px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-out;
  }
  .btn-wrapper .button:hover {
    width: 180px;  /* ホバー時に幅が広がる */
  }
  .btn-wrapper .button .icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    color: #1da1f2;
    text-align: center;
    border-radius: 50%;
    box-sizing: border-box;
    line-height: 60px;
    transition: all 0.3s ease-out;
  }
  .btn-wrapper .button:hover .icon {
    background: #1da1f2;  /* ホバー時にアイコンの色が反転 */
  }
  .btn-wrapper .button .icon i {
    font-size: 25px;
    line-height: 60px;
    transition: all 0.3s ease-out;
  }
  .btn-wrapper .button:hover .icon i {
    color: #fff;
  }
  .btn-wrapper .button span {
    font-size: 20px;
    font-weight: 500;
    line-height: 60px;
    margin-left: 10px;
    transition: all 0.3s ease-out;
    color: #1da1f2;
  }

Point！

ほかのSNSの色