body {
  font-family: "Helvetica", "Arial", sans-serif;
  line-height: 1.5;
  padding: 1em;
  color: #555;
  background-color: #fff;
  text-align: center;
}

.inside-container > div {
  padding: 0.5em;
}

.hide {
  display: none;
}

h1 {
  margin-bottom: 1em;
  padding-bottom: 1em;
  color: #333;
  font-size: 46px;
}

.input-container {
  font-size: 36px;
  display: flex;
  max-width: 50em;
  justify-content: center;
  position: relative;
}

.input-container > input,
.input-container > span,
select {
  flex: 1;
  background-color: transparent;
  font-size: 36px;
}

input {
  padding-bottom: 14px;
  padding-right: 0px;
  max-width: 3.5em;
  text-align: right;
  border: solid 1px #0f766e;
  border-radius: 4px;
  padding-right: 0.2em;
}

select {
  border: none;
  padding-bottom: 14px;
  margin-left: -4px;
  max-width: 4em;
  width: 4em;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
select:hover {
  cursor: pointer;
}

.select-container {
  position: relative;
  border: solid 1px #0f766e;
  border-radius: 4px;
  padding-left: 0.2em;
}

.drop-arrow {
  background-color: #0f766e;
  color: #fff;
  max-width: 1em;
  position: absolute;
  z-index: -1;
  right: 0px;
  top: 0px;
  padding-bottom: 7px;
  padding-right: 10px;
  padding-left: 10px;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

.input-container > span {
  max-width: 10px;
  color: #333;
  z-index: -1;
}

button {
  cursor: pointer;
  background-color: #0f766e;
  color: #fff;
  border: none;
  padding: 20px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 4px;
  font-weight: bold;
  border-radius: 4px;
  font-size: 26px;
  margin-top: 2em;
}

button:active {
  background-color: #fff;
  color: #0f766e;
}

progress::-moz-progress-bar,
progress::-webkit-progress-value {
  background-color: #0f766e;
}

progress {
  border: none;
  height: 1.5em;
}

/* ---- accessibility & polish overrides ---- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 3px solid #0f766e;
  outline-offset: 2px;
}
