* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: antiquewhite;
  margin: 50px;
}

.container {
  background: #fff;
  height: 240px;
  width: 45%;
  padding: 20px;
  /* margin-top: -23%; */
}

.container2 {
  background: rgb(223, 221, 221);
  height: 240px;
  text-align: center;
  width: 45%;
  padding-top: 20px;
}

.image {
}

#rgb-color {
  position: fixed;
  height: 550px;
  display: flex;
  width: 50%;
  margin-left: 47%;
  margin-top: -1%;
}
#hex-color {
  height: 550px;
  display: flex;
  width: 65%;
  margin-left: -14%;
}

.input {
  height: 40px;
  width: 390px;
  border-radius: 10px 10px;
}

.btn {
  height: 30px;
  width: 100px;
  border-radius: 10px 20px;
  background: rgb(0, 102, 204);
  border: none;
  color: #fff;
}
.btn:hover {
  cursor: pointer;
  border: none;
  background: green;
}