* {
    box-sizing: border-box;
  }
  
  .buttonAnimation {
    display: flex;
    /* height: 100%; */
    -webkit-animation: hue-rotate 10s linear infinite;
            animation: hue-rotate 10s linear infinite;
  }
  
  .button {
    -webkit-font-smoothing: antialiased;
    background-color: #222;
    border: none;
    color: #222;
    display: inline-block;
    font-family: "Montserrat", sans-serif;
    font-size: 14px;
    font-weight: 100;
    text-decoration: none;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    letter-spacing: 1px;
    color: #222;
    padding: 13px 19px;
    outline: none;
    text-transform: uppercase;
    transition: all 0.1s ease-out;
  }
  .button:hover {
    background-color: #90feb5;
    color: #fff;
  }
  .button:active {
    -webkit-transform: scale(0.95);
            transform: scale(0.95);
  }
  .button--bubble {
    position: relative;
    z-index: 2;
    color: #222;
    font-weight: 600;
    background: none;
  }
  .button--bubble:hover {
    background: none;
  }
  .button--bubble:hover + .button--bubble__effect-container .circle {
    background: #44fd82;
  }
  .button--bubble:hover + .button--bubble__effect-container .button {
    background: #44fd82;
  }
  .button--bubble:active + .button--bubble__effect-container {
    -webkit-transform: scale(0.95);
            transform: scale(0.95);
  }
  .button--bubble__container {
    position: relative;
    display: inline-block;
  }
  .button--bubble__container .effect-button {
    position: absolute;
    width: 50%;
    height: 25%;
    top: 50%;
    left: 25%;
    z-index: 1;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    background: #ffffff;
    transition: background 0.1s ease-out;
    -webkit-transition: background 0.1s ease-out;
    -moz-transition: background 0.1s ease-out;
    -ms-transition: background 0.1s ease-out;
    -o-transition: background 0.1s ease-out;
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
}
  
  .button--bubble__effect-container {
    position: absolute;
    display: block;
    width: 200%;
    height: 380%;
    top: -150%;
    left: -50%;
    -webkit-filter: url("#goo");
    filter: url("#goo");
    transition: all 0.1s ease-out;
    pointer-events: none;
  }
  .button--bubble__effect-container .circle {
    position: absolute;
    width: 25px;
    height: 25px;
    border-radius: 15px;
    background: #222;
    transition: background 0.1s ease-out;
  }
  .button--bubble__effect-container .circle.top-left {
    top: 40%;
    left: 27%;
  }
  .button--bubble__effect-container .circle.bottom-right {
    bottom: 40%;
    right: 27%;
  }
  
  .goo {
    position: absolute;
    visibility: hidden;
    width: 1px;
    height: 1px;
  }
  
  html,
  body {
    width: 100%;
    height: 100%;
    text-align: center;
  }
  
  .button--bubble__container {
    /* top: 50%;
    margin-top: -25px; */
  }
  
  @-webkit-keyframes hue-rotate {
    from {
      -webkit-filter: hue-rotate(0);
      -moz-filter: hue-rotate(0);
      -ms-filter: hue-rotate(0);
      filter: hue-rotate(0);
    }
    to {
      -webkit-filter: hue-rotate(360deg);
      -moz-filter: hue-rotate(360deg);
      -ms-filter: hue-rotate(360deg);
      filter: hue-rotate(360deg);
    }
  }
  
  @keyframes hue-rotate {
    from {
      -webkit-filter: hue-rotate(0);
      -moz-filter: hue-rotate(0);
      -ms-filter: hue-rotate(0);
      filter: hue-rotate(0);
    }
    to {
      -webkit-filter: hue-rotate(360deg);
      -moz-filter: hue-rotate(360deg);
      -ms-filter: hue-rotate(360deg);
      filter: hue-rotate(360deg);
    }
  }