body {
  display: flex;
  justify-content: center;
  align-items: center;

  height: 100vh;
  width: 100vw;

  background-color: #1e90ff;
  font-family: Arial, Helvetica, sans-serif;
}

.container {
  width: 450px;
  padding: 20px;
  background-color: white;

  text-align: center;
  border-radius: 15px;
  box-shadow: rgba(0, 0, 0, 0.16) 0px 10px 36px 0px,
    rgba(0, 0, 0, 0.06) 0px 0px 0px 1px;
}
.container .title {
  color: hsl(0, 0%, 40%);
}
.container .content {
  font-size: 1.4rem;
}
.container .btn {
  height: 40px;
  width: 61.8%;
  margin: 40px;
  outline: none;
  border: none;
  background-color: #7ed6df;
  border-radius: 5px;
  transition: transform 30ms;
  color: white;
}

.container .btn:active {
  transform: scale(0.98);
}