style.css

body {
  background-color: #E2A07A;
  color: #99938B;
  height: 100%;
  font-family: 'Helvetica Neue', sans-serif;
}

a {
  color: #E4825E;
  text-decoration: underline;
}

.chatbot-container {
  background-color: #fff;
  color: #99938B;
  width: 50%;
  height: 75%;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.chatbot-messages {
  flex-grow: 1;
  overflow: auto;
  min-height: 50%;
  background-color: #fff;
}

.chatbot-message {
  margin-bottom: 10px;
  color: #000;
}

.chatbot-message.user {
  background-color: #FBEEE0;
  padding: 10px;
  margin-bottom: 10px;
}

.chatbot-message.bot {
  justify-content: flex-start;
  align-items: flex-start;
  padding: 10px;
}


form {
  display: flex;
  background-color: #FBEEE0;
  padding: 10px;
}

textarea {
  flex-grow: 1;
  margin-right: 10px;
  border: none;
  background-color: #FBEEE0;
  color: #99938B;
  font-size: 16px;
  outline: none;
  border: #474747;
  border-radius: 5px;
}

button[type="submit"] {
  background-color: #E2A07A;
  color: #fff;
  font-size: 16px;
  border: none;
  cursor: pointer;
  outline: none;
}
.lds-ripple {
  display: inline-block;
  position: relative;
  width: 40px;
  height: 40px;
}
.lds-ripple div {
  position: absolute;
  border: 2px solid #fff;
  opacity: 1;
  border-radius: 50%;
  animation: lds-ripple 1s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}
.lds-ripple div:nth-child(2) {
  animation-delay: -0.5s;
}
@keyframes lds-ripple {
  0% {
    top: 18px;
    left: 18px;
    width: 0;
    height: 0;
    opacity: 0;
  }
  4.9% {
    top: 18px;
    left: 18px;
    width: 0;
    height: 0;
    opacity: 0;
  }
  5% {
    top: 18px;
    left: 18px;
    width: 0;
    height: 0;
    opacity: 1;
  }
  100% {
    top: 0px;
    left: 0px;
    width: 36px;
    height: 36px;
    opacity: 0;
  }
}

@media only screen and (max-width: 700px) {
  body {
    background-color: #fff;
  }

  .chatbot-container {
    border-radius: 0;
    transform: none;
    position: static !important;
  }

  .chatbot-messages {
    width: 100%;
    height: 90%;
    position: absolute;
    left: 0px;
    top: 0px;
  }

  form {
    display: block;
    width: 100%;
    height: 10%;
    position: absolute;
    left: 0px;
    bottom: 0px;
    padding: 0px;
  }

  button[type="submit"] {
    float: right;
    height: 100%;
    width: 20%;
  }

  textarea {
    padding-top: 19px;
  }
}