.keypadInput {
 display: flex;
 flex-direction: row;
 justify-content: center;
 align-content: center;
 align-items: center;
 font-size: 1.8rem;
 width: 100%;
 min-height: 1.8rem;
 background-color: rgba(68, 68, 68, .1);
 border-radius: 4px;
 transition: 0.2s linear;
 margin-top: 20px;
}

.active {
 background-color: transparent;
 border: none !important;
 transition: 0.2s linear;
}
.unfilled {
 color: rgb(207, 207, 207);
 transition: 0.2s linear;
}
.filled {
 color: #444;
 transition: 0.2s linear;
}

.incorrect {
 background-color: rgba(251, 26, 26, 0.2);
 color: rgb(218, 67, 67);
 transition: 0.2s linear;
}

.correct {
 background-color: rgba(26, 251, 120, 0.2);
 color: rgb(67, 218, 112);
 transition: 0.2s linear;
}

 html.ion-palette-dark .keypadInput {
  background-color: #444;
  color: #fff;
 }
 html.ion-palette-dark .active {
  color: dodgerblue;
 }