* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  text-align: center;
  height: 100vh;
  background: black;
  margin: 0;
  justify-content: center;
}

.container {
  width: 80%;
  max-width: 550px;
}

.flex {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.top-section {
  background: linear-gradient(246.26deg, #585dfe 0%, #fb3796 100%);
  color: #fff;
  height: 260px;
  padding: 3em;
  justify-content: space-between;
}

.top-section__title {
  font-size: 1.375rem;
  margin: 0;
}

#top-section__number-input {
  font-weight: 800;
  font-size: 6rem;
  margin: 0;
  width: 50%;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: #fff;
  text-align: center;
  font-family: "Inter", sans-serif;
}

::placeholder {
  /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #fff;
  font-family: "Inter", sans-serif;
  opacity: 1; /* Firefox */
}

:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  color: #fff;
  font-family: "Inter", sans-serif;
}

::-ms-input-placeholder {
  /* Microsoft Edge */
  color: #fff;
  font-family: "Inter", sans-serif;
}

.bottom-section {
  background: #fbf7ee;
  color: #1a1921;
  font-size: 0.875rem;
  line-height: 20px;
  padding: 2em;
  justify-content: space-between;
}

.bottom-section__title {
  font-weight: 600;
}