*Esse arquivo fica dentro da pasta /layouts.

<link href="<https://unpkg.com/[email protected]/dist/cookieBubble.min.css>" rel="stylesheet">
    <script src="<https://unpkg.com/[email protected]/dist/cookieBubble.min.js>"></script>
    <script>
        jQuery(document).ready(function( $ ){
           $.cookieBubble({
            messageTextColor:'rgba(0, 0, 0, 1)',
            buttonText:'OK',
            messageFontSize:'12',
            iconColor:'rgba(255, 255, 255, 1)',
            buttonColor:'rgba(0, 0, 0, 1)',
            iconVisibility:true,
            cookiePolicyButtonText:'Saiba mais',
            cookiePolicyButtonUrl:'<http://allaboutcookies.org>',
            cookiePolicyButtonTarget:'_blank',
            boxPosition:'bottom-left',
            messageText:'Esse site usa cookies para melhorar sua experiência, ao continuar navegando você concorda com o uso de cookies.'
          })
        });
    </script>

*Esse arquivo fica localizado na pasta /css.

.cookie-bubble {
  position: fixed;
  width: 100%;
  max-width: 400px;
  min-height: 100px;
  border-radius: 10px;
  background-color: #fff;
  -webkit-box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  font-family: sans-serif;
}
.cookie-bubble.top-left {
  top: 10px;
  left: 10px;
}
.cookie-bubble.top-right {
  top: 10px;
  right: 0;
}
.cookie-bubble.top-center {
  top: 10px;
  left: calc(100vw - 100vw / 2 - 400px / 2);
}
.cookie-bubble.bottom-left {
  bottom: 10px;
  left: 10px;
}
.cookie-bubble.bottom-right {
  bottom: 10px;
  right: 0;
}
.cookie-bubble.bottom-center {
  bottom: 10px;
  left: calc(100vw - 100vw / 2 - 400px / 2);
}
.cookie-bubble.show.top-center,
.cookie-bubble.show.top-left,
.cookie-bubble.show.top-right {
  -webkit-animation-name: popInTop;
  animation-name: popInTop;
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -webkit-animation-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
  animation-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
  -webkit-animation-fill-mode: forwards;
  animation-fill-mode: forwards;
}
.cookie-bubble.show.bottom-center,
.cookie-bubble.show.bottom-left,
.cookie-bubble.show.bottom-right {
  -webkit-animation-name: popInBottom;
  animation-name: popInBottom;
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -webkit-animation-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
  animation-timing-function: cubic-bezier(0.19, 1, 0.22, 1);
  -webkit-animation-fill-mode: forwards;
  animation-fill-mode: forwards;
}
.cookie-bubble.hide {
  display: none;
}
.cookie-bubble .cb-wrapper {
  position: relative;
  display: inline-block;
  padding: 15px;
}
.cookie-bubble .cb-wrapper .cb-row {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  text-align: left;
}
.cookie-bubble .cb-wrapper .cb-row .cb-row-content .message {
  position: relative;
  width: 100%;
  display: inline-block;
  color: #000;
  font-size: 18px;
  margin-top: 0;
}
.cookie-bubble .cb-wrapper .cb-row .cb-row-content .cb-controls {
  position: relative;
  width: 100%;
  float: left;
  margin-top: 10px;
}
.cookie-bubble .cb-wrapper .cb-row .cb-image {
  padding-right: 23px;
}
.cookie-bubble .cb-wrapper .cb-row .cb-image .cookie-inner-color {
  fill: #00a4ff;
}
.cookie-bubble .cb-wrapper .cb-row .cb-image svg {
  width: 75px;
}
.cookie-bubble .cb-wrapper .cb-row .agreement-btn {
  margin: 0 10px 0 0;
  text-decoration: none;
  color: #fff;
  background: #00a4ff;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 14px;
  opacity: 1;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  font-weight: 600;
  float: left;
}
.cookie-bubble .cb-wrapper .cb-row .agreement-btn:hover {
  background-color: #0083cc;
}
.cookie-bubble .cb-wrapper .cb-row .cookie-policy-btn {
  margin: 0;
  color: #000;
  padding: 10px 0;
  border-radius: 100px;
  font-size: 14px;
  opacity: 0.95;
  border: none;
  cursor: pointer;
  font-weight: 400;
  float: left;
}
.cookie-bubble .cb-wrapper .cb-row .cookie-policy-btn:hover {
  opacity: 1;
  text-decoration: underline;
}
.cookieBubble .copyright-wrapper {
  margin-top: 20px;
}
.cookieBubble .copyright-wrapper a.copyright {
  position: absolute;
  width: 80px;
  height: 16px;
  bottom: 8px;
  right: 7px;
  margin-top: 30px;
  background: url(../img/cb_copyright.svg);
  background-size: cover;
}
@-webkit-keyframes popInBottom {
  0% {
    -webkit-transform: translateY(120%);
    transform: translateY(120%);
  }
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}
@keyframes popInBottom {
  0% {
    -webkit-transform: translateY(120%);
    transform: translateY(120%);
  }
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}
@-webkit-keyframes popInTop {
  0% {
    -webkit-transform: translateY(-120%);
    transform: translateY(-120%);
  }
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}
@keyframes popInTop {
  0% {
    -webkit-transform: translateY(-120%);
    transform: translateY(-120%);
  }
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}
@media (max-width: 420px) {
  .cookieBubble {
    border-radius: 0;
    max-width: inherit;
    left: 0 !important;
    bottom: 0 !important;
  }
  .cookieBubble .cb-image {
    display: none;
  }
}