* {
  box-sizing: border-box;
}
body {
  background: #10101b;
  height: 100vh;
}
.container {
  margin-top: 30px;
}

.half-width {
  height: 570px;
  background: #222436;
  padding: 30px;
  text-align: center;
}
.generate-btn {
  margin-top: 140px;
  width: 180px;
  padding: 50px;
  border-radius: 50%;
  border: 8px solid #39458c;
  background-color: #495bc3;
  color: #ffffff;
  font-weight: bold;
  font-size: 20px;
  text-align: center;
}
.generate-btn:focus {
  outline: none;
  box-shadow: none;
}

input[type="text"] {
  background-color: #3d4153;
  padding: 10px 0px;
  color: #ffffff;
  width: 80%;
  margin: 0 auto;
  border: 2px solid #858299;
  height: 50px;
  padding: 10px;
}
input[type="text"]:focus {
  background-color: #3d4153;
  color: #fff;
  font-size: 20px;
}
.numbers {
  margin: 30px 0;
}

.calc-typed {
  margin-top: 20px;
  font-size: 45px;
  text-align: right;
  color: #fff;
}

.calc-button-row {
  width: 100%;
}

.button {
  width: 20%;
  background: #425062;
  color: #fff;
  padding: 20px 0;
  margin: 5px;
  display: inline-block;
  font-size: 25px;
  text-align: center;
  vertical-align: middle;
  margin-right: -4px;
  border-radius: 10px;
  cursor: pointer;
}
.blink-me {
  color: #e0b612;
}
.submit-btn {
  border: none;
  margin-top: 20px;
  padding: 10px 120px;
  border-radius: 5px;
  background: #495bc3;
  color: #fff;
}
.notify {
  color: #fff;
  text-align: center;
  margin: 0 auto;
  background: #222436;
  margin-top: 20px;
  border-radius: 15px;
  padding: 5px 20px;
  display: none;
}
.notify-section {
  width: 35%;
  margin: 0 auto;
}
.action-left {
  color: #ff3c5f;
  margin-top: 10px;
}