@font-face {
  font-family: 'WF Visual Sans';
  src: url('./font/WFVisualSansVF.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

.hidden {
  display: none !important;
}

.main-input-box {
  display: inline-block;
  height: 25px !important;
  padding: 10px;
  padding-bottom: 20px;
  font-size: 1rem;
  border: 1px solid #555;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  outline: none;
  margin-bottom: 15px;
}

#operation.main-input-box {
  font-family: 'WF Visual Sans', sans-serif !important;
}

select.main-input-box {
  appearance: none;
  background: transparent;
  color: inherit;
}

.input-container {
  position: relative;
}

.keyboard-toggle-btn {
  position: absolute;
  bottom: 5px;
  right: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-input-box:focus {
  border-color: #888;
}