@import url("https://fonts.googleapis.com/css2?family=Mulish:ital,wght@0,400;0,700;1,400&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

html {
  font-size: 62.5%;
  box-sizing: border-box;
}

body {
  font-family: "Mulish", sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: #0f172a;
}

.box {
  width: calc(100% - 30px);
  max-width: 640px;
  text-align: center;
  margin: 15px;
  padding: 20px;
  border: 1px solid #222f43;
  border-radius: 20px;
  background-color: #131c31;
  color: #b9e0f2;
  box-shadow: 0 10px 10px 0 rgba(0, 0, 0, 0.05);
}
.box input {
  font-family: "Mulish", sans-serif;
  border: 2px solid #fff;
  border-radius: 5px;
  color: #170444;
  outline: none;
}
.box input:focus {
  border: 2px solid #b9e0f2;
}
.box__input {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 30px 0;
  gap: 10px;
}
.box__input input {
  width: 100px;
  height: 50px;
  font-size: 3rem;
  font-weight: 700;
  text-align: center;
}
.box__result {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 30px;
}
.box__result input {
  padding: 15px 10px;
  width: 100%;
  font-size: 1.8rem;
}
.box__result input:focus {
  border: 2px solid #b9e0f2;
}
.box__result label {
  font-size: 2rem;
  font-weight: 700;
}