.butterbar {
  position: relative;
  height: 3px;
  margin-top: 186px;
}

.butterbar .bar {
  position: absolute;
  width: 100%;
  height: 0;
  text-indent: -9999px;
  background-color: #23b7e5;
}

.butterbar .bar:before {
  position: absolute;
  right: 50%;
  left: 50%;
  height: 3px;
  background-color: inherit;
  content: "";
}

.butterbar.active {
  -webkit-animation: changebar 2.25s infinite 0.75s;
     -moz-animation: changebar 2.25s infinite 0.75s;
          animation: changebar 2.25s infinite 0.75s;
}

.butterbar.active .bar {
  -webkit-animation: changebar 2.25s infinite;
     -moz-animation: changebar 2.25s infinite;
          animation: changebar 2.25s infinite;
}

.butterbar.active .bar:before {
  -webkit-animation: movingbar 0.75s infinite;
     -moz-animation: movingbar 0.75s infinite;
          animation: movingbar 0.75s infinite;
}


/* change bar */

@-webkit-keyframes changebar {
  0% {
    background-color: #23b7e5;
  }
  33.3% {
    background-color: #23b7e5;
  }
  33.33% {
    background-color: #fad733;
  }
  66.6% {
    background-color: #fad733;
  }
  66.66% {
    background-color: #7266ba;
  }
  99.9% {
    background-color: #7266ba;
  }
}

@-moz-keyframes changebar {
  0% {
    background-color: #23b7e5;
  }
  33.3% {
    background-color: #23b7e5;
  }
  33.33% {
    background-color: #fad733;
  }
  66.6% {
    background-color: #fad733;
  }
  66.66% {
    background-color: #7266ba;
  }
  99.9% {
    background-color: #7266ba;
  }
}

@keyframes changebar {
  0% {
    background-color: #23b7e5;
  }
  33.3% {
    background-color: #23b7e5;
  }
  33.33% {
    background-color: #fad733;
  }
  66.6% {
    background-color: #fad733;
  }
  66.66% {
    background-color: #7266ba;
  }
  99.9% {
    background-color: #7266ba;
  }
}