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HTML

CSS

.css-ribbon {
  position: relative;
  z-index: 1;
  padding: 1em 2em;
}
.bsribbon {
  font-size: 120% !important;
  width: 60%;
  position: relative;
  background: #0cc5f4;
  color: #fff;
  text-align: center;
  padding: 1em 2em;
  margin: 2em auto 3em;
}

.bsribbon:before,
.bsribbon:after {
  content: "";
  position: absolute;
  display: block;
  bottom: -1em;
  border: 1.5em solid #04a8d1;
  z-index: -1;
}

.bsribbon:before {
  left: -2em;
  border-right-width: 1.5em;
  border-left-color: transparent;
}

.bsribbon:after {
  right: -2em;
  border-left-width: 1.5em;
  border-right-color: transparent;
}

.bsribbon .ribbon-content:before,
.bsribbon .ribbon-content:after {
  content: "";
  position: absolute;
  display: block;
  border-style: solid;
  border-color: #088eb0 transparent transparent transparent;
  bottom: -1em;
}

.bsribbon .ribbon-content:before {
  left: 0;
  border-width: 1em 0 0 1em;
}

.bsribbon .ribbon-content:after {
  right: 0;
  border-width: 1em 1em 0 0;
}

@keyframes colorChange {
  0% {
    background-color: #36d0ff;
  }
  50% {
    background-color: #2c86d4;
  }
  100% {
    background-color: #36D0FF7;
  }
}

.bsribbon {
  animation: colorChange 3s infinite;
}

.bsribbon:hover {
  box-shadow: 0 0 10px #ffffff;
}

button:hover {
  background-color: #9ad9e3;
}

.bsribbon:active {
  background-color: #eddcad;
}