*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui;
}
body{
  display: grid;
  place-content: center;
  min-height: 100vh;
  background-color: #171747;
}
h1{
  color: white;
  font-family: cursive;
  text-align: center;
  font-size: 3rem;
}
.chat{
  background-color: #fff;
  padding: 2rem;
  border-radius: 10px;
}
.chat h2{
  font-size: 2rem;
  font-family: cursive;
  text-align: center;
}
.msg{
  width: 420px;
  height: 480px;
  border-top: 1px solid lightgray;
  border-bottom: 1px solid lightgray;
  margin: 1rem auto;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  
  overflow-y: scroll;
  
}
::-webkit-scrollbar {
  width: 0px;
}
.input_msg{
  display: flex;
  justify-content: space-between;
}
input{
  width: 70%;
  font-size: 1.3rem;
  padding: 0.4rem 1.3rem
}
.input_msg button{
  background-color: #171747;
  color: white;
  border: none;
  cursor: pointer;
  padding: 0.5rem 1.2rem;
  font-size: 1.3rem;
  border-radius: 5px;
}

.msg p{
  background-color: rgb(194, 192, 192);
  padding: 0.4rem 1rem;
  width: fit-content;
  border-radius: 5px;
  margin-bottom: 1rem;
}
.msg p span{
  display: block;
  font-weight: bold;
  opacity: 0.5;
}
.msg .sender{
  background-color: rgb(89, 255, 89);
  align-self: end;
}