static/css/design.css

body {
  overflow: hidden;
}

.mic-container {
  height: 100vh;
  width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;

  .circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    transition: 0.5s;
    box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.14), 0 1px 18px 0 rgba(0, 0, 0, 0.12), 0 3px 5px -1px rgba(0, 0, 0, 0.2);

    i {
      color: #b2b1b1;
      font-size: 23px;
      transition: 0.9s;
    }

    &:before {
      content: '';
      width: 80px;
      height: 80px;
      border-radius: 50%;
      opacity: 0.2;
      z-index: -1;
      position: absolute;
    }
  }

  .circle.active {
    background: #ff0000;

    &:before {
      background: gray;
      animation: bounce 0.8s ease-in-out infinite 0.5s;
    }

    i {
      color: #ffffff;
    }
  }
}

@keyframes bounce {
  0% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.4);
  }
  75% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.3);
  }
}

.output-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 10px;
  padding: 10px 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}