Animated Gradient Button with Floating Particles

<button type="button" class="button shadow-[0_2.8px_2.2px_rgba(0,_0,_0,_0.034),_0_6.7px_5.3px_rgba(0,_0,_0,_0.048),_0_12.5px_10px_rgba(0,_0,_0,_0.06),_0_22.3px_17.9px_rgba(0,_0,_0,_0.072),_0_41.8px_33.4px_rgba(0,_0,_0,_0.086),_0_100px_80px_rgba(0,_0,_0,_0.12)]">
  <div class="points_wrapper">
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
    <i class="point"></i>
  </div>

  <span class="inner">Get Started</span>
  <style>
    .button {
      cursor: pointer;
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      transition: all 0.25s ease;
      background: radial-gradient(65.28% 65.28% at 50% 100%,
          rgba(23, 23, 23, 0.6) 0%,
          rgba(23, 23, 23, 0) 100%),
        linear-gradient(0deg, #171717, #262626);
      border-radius: 0.75rem;
      border: none;
      outline: none;
      padding: 12px 18px;
      min-height: 48px;
      min-width: 102px;
    }
  
    .button::before,
    .button::after {
      content: "";
      position: absolute;
      transition: all 0.5s ease-in-out;
      z-index: 0;
    }
  
    .button::before {
      inset: 1px;
      background: linear-gradient(177.95deg,
          rgba(255, 255, 255, 0.08) 0%,
          rgba(255, 255, 255, 0) 100%);
      border-radius: calc(0.75rem - 1px);
    }
  
    .button::after {
      inset: 2px;
      background: radial-gradient(65.28% 65.28% at 50% 100%,
          rgba(23, 23, 23, 0.6) 0%,
          rgba(23, 23, 23, 0) 100%),
        linear-gradient(0deg, #171717, #262626);
      border-radius: calc(0.75rem - 2px);
    }
  
    .button:active {
      transform: scale(0.95);
    }
  
    .points_wrapper {
      overflow: hidden;
      width: 100%;
      height: 100%;
      pointer-events: none;
      position: absolute;
      z-index: 1;
    }
  
    .points_wrapper .point {
      bottom: -10px;
      position: absolute;
      animation: floating-points infinite ease-in-out;
      pointer-events: none;
      width: 2px;
      height: 2px;
      background-color: #e5e7eb;
      border-radius: 9999px;
    }
  
    @keyframes floating-points {
      0% {
        transform: translateY(0);
      }
  
      85% {
        opacity: 0;
      }
  
      100% {
        transform: translateY(-55px);
        opacity: 0;
      }
    }
  
    .points_wrapper .point:nth-child(1) {
      left: 10%;
      opacity: 1;
      animation-duration: 2.35s;
      animation-delay: 0.2s;
    }
  
    .points_wrapper .point:nth-child(2) {
      left: 30%;
      opacity: 0.7;
      animation-duration: 2.5s;
      animation-delay: 0.5s;
    }
  
    .points_wrapper .point:nth-child(3) {
      left: 25%;
      opacity: 0.8;
      animation-duration: 2.2s;
      animation-delay: 0.1s;
    }
  
    .points_wrapper .point:nth-child(4) {
      left: 44%;
      opacity: 0.6;
      animation-duration: 2.05s;
    }
  
    .points_wrapper .point:nth-child(5) {
      left: 50%;
      opacity: 1;
      animation-duration: 1.9s;
    }
  
    .points_wrapper .point:nth-child(6) {
      left: 75%;
      opacity: 0.5;
      animation-duration: 1.5s;
      animation-delay: 1.5s;
    }
  
    .points_wrapper .point:nth-child(7) {
      left: 88%;
      opacity: 0.9;
      animation-duration: 2.2s;
      animation-delay: 0.2s;
    }
  
    .points_wrapper .point:nth-child(8) {
      left: 58%;
      opacity: 0.8;
      animation-duration: 2.25s;
      animation-delay: 0.2s;
    }
  
    .points_wrapper .point:nth-child(9) {
      left: 98%;
      opacity: 0.6;
      animation-duration: 2.6s;
      animation-delay: 0.1s;
    }
  
    .points_wrapper .point:nth-child(10) {
      left: 65%;
      opacity: 1;
      animation-duration: 2.5s;
      animation-delay: 0.2s;
    }
  
    .inner {
      z-index: 2;
      gap: 6px;
      position: relative;
      width: 100%;
      color: #f4f4f5;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      font-weight: 500;
      line-height: 1.5;
      transition: color 0.2s ease-in-out;
    }
  </style>
</button>