body {
  background-image: url(bgimage4.jpg);
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
:root{
  --green: #1ec6b6;
  --light-grey: #f7f7f7;
  --dark: #0e1010;
  --trans: all 0.3s ease-in-out;
}
.navbar{
  position: fixed;
  top: 0;
  width: 100%;
  background-color: transparent;
  padding: 1rem 0;
  z-index: 999;
}
.navbar .container{
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.site-brand{
  color: #fff;
  font-size: 2.4rem;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  opacity: 0.95;
}
.site-brand span{
  font-weight: 300;
}

#navbar-show-btn{
  background: transparent;
  color: #fff;
  font-size: 2rem;
  opacity: 0.9;
  -webkit-transition: var(--trans);
  -o-transition: var(--trans);
  transition: var(--trans);
  border: none;
}
#navbar-show-btn:hover{
  opacity: 1;
}

/* navbar side menu */
#navbar-collapse{
  background-color: var(--green);
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100%;
  padding: 2rem;
  -webkit-transform: translateX(100%);
      -ms-transform: translateX(100%);
          transform: translateX(100%);
  -webkit-transition: var(--trans);
  -o-transition: var(--trans);
  transition: var(--trans);
}
.navbar-collapse-rmw{
  /* js related */
  -webkit-transform: translateX(0)!important;
      -ms-transform: translateX(0)!important;
          transform: translateX(0)!important;
}
#navbar-close-btn{
  background: none;
  color: #fff;
  width: 35px;
  height: 35px;
  border-radius: 0.2rem;
  font-size: 2rem;
  -webkit-transition: var(--trans);
  -o-transition: var(--trans);
  transition: var(--trans);
  position: absolute;
  right: 1rem;
  top: 2rem;
  border: none;
}
#navbar-close-btn:hover{
  background-color: #fff;
  color: var(--green);
}
.navbar-nav{
  margin-top: 5rem;
}
.nav-item{
  margin: 1.6rem 0;
}
.nav-link{
  color: black;
  font-size: large;
    font-weight: bold;
  font-size: 1.2rem;
  -webkit-transition: var(--trans);
  -o-transition: var(--trans);
  transition: var(--trans);
}
.nav-link:hover{
  color: #fff;
}

.box {
  width: 500px;
  background: #fafafa;
  border-radius: 12px;
  padding-left: 50px;
  text-align: center;
  box-shadow: 2px 2px 20px 5px rgba(0,0,0,0.5);

}


h1 {
  color: rgb(0, 0, 0, 0.7);
  font-weight: bold;
  font-size: 36px;
  padding: 30px 0;
  
}

body .card {
  height: 35vw;
  width: 35vw;
  border-radius: 40px;
  margin-left: 30vw;
  margin-top: 10vw;
  margin-bottom: 20vw;
  margin-right: 30vw;
  padding-bottom: 30px;
}

body .card #message-section::-webkit-scrollbar {
  width: 20px;
}
body .card #message-section {
  height: 32vw;
  padding: 2.5vw;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--thumbBG) var(--scrollbarBG);
}
body .card #message-section::-webkit-scrollbar-track {
  background: var(--scrollbarBG);
}
body .card #message-section::-webkit-scrollbar-thumb {
  background-color: var(--thumbBG);
  border-radius: 6px;
  border: 3px solid var(--scrollbarBG);
}
body .card #message-section #bot,
body .card #message-section #user {
  position: relative;
  bottom: 0;
  min-height: 1.5vw;
  border: 0.15vw solid #777;
  background-color: #fff64f;
  color:#000;
  border-radius: 0px 1.5vw 1.5vw 1.8vw;
  padding: 1vw;
  margin: 1.5vw 0;
}
body .card #message-section #user {
  border: 1.5px solid #000;
  border-radius: 1.5vw 0vw 1.5vw 1.8vw;
  background-color: #000;
  float: right;
}
body .card #message-section #user #user-response {
  color: #fff64f;
}
body .card #message-section .message {
  color: #000;
  clear: both;
  line-height: 1.2vw;
  font-size: 1.2vw;
  padding: 8px;
  position: relative;
  margin: 8px;
  max-width: 85%;
  word-wrap: break-word;
  z-index: 2;
}
body .card #input-section {
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  overflow: hidden;
  height: 6vw;
  width: 100%;  
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
}
body .card #input-section input {
  color: #000;
  min-width: 0.5vw;
  outline:#000;
  height: 5vw;
  width: 26vw;
  border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  border-top-left-radius: 20px;
  border-bottom-left-radius: 20px;
}
body .card .send {
  background: transparent;
  color: #fff64f;
  border: 0;
  cursor: pointer;
  flex: 0 0 auto;
  margin-left: 2vw;
  margin-right: 0vw;
  padding: 0;
  position: relative;
  outline: none;
}
body .card .send .circle {
  position: relative;
  width: 4.8vw;
  height: 4.8vw;
  display: flex;
  align-items: center;
  justify-content: center;
}
body .card .send .circle i {
  font-size: 3vw;
  margin-left: -1vw;
  margin-top: 1vw;
}