html,
body {
  background-color: #fff;
  font-family: "Helvetica", "Arial", "Verdana", sans-serif;
  margin: 0;
  padding: 0;
}

.app-container {
  max-width: 100%;
  overflow: hidden;
}

.header {
  background-color: #369;
  padding: 10px 0;
}

.header > h1 {
  color: #fff;
  font-size: 24px;
  font-weight: 400;
  margin: 0;
  text-align: center;
}

.container {
  margin: 0 auto;
  padding-top: 12px;
  width: 360px;
}

.rows > div {
  display: flex;
  gap: 10px;
  padding-left: 3px;
  padding-top: 20px;
}

.colors {
  display: flex;
  gap: 5px;
}

.colors > div {
  border-radius: 3px;
  border: 4px solid #eee;
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  height: 56px;
  padding: 1px;
  width: 53px;
}

.colors > div.a {
  border-color: #e74c3c;
}

.colors > div.b {
  border-color: #3498db;
}

.colors > div.c {
  border-color: #2ecc71;
}

.colors > div.d {
  border-color: #f1c40f;
}

.colors > div.e {
  border-color: #9b59b6;
}

.colors > div.f {
  border-color: #e67e22;
}

.colors > div > div {
  cursor: pointer;
  height: 18px;
  position: relative;
  width: 26px;
}

.a > .a,
.c > .c,
.e > .e {
  left: -1px;
}

.b > .b,
.d > .d,
.f > .f {
  right: -1px;
}

.a > div:not(.a):not(:hover),
.b > div:not(.b):not(:hover),
.c > div:not(.c):not(:hover),
.d > div:not(.d):not(:hover),
.e > div:not(.e):not(:hover),
.f > div:not(.f):not(:hover) {
  opacity: 0.5;
}

.colors > div > div.a,
.suggestion > div.a {
  background-color: #e74c3c;
}

.colors > div > div.b,
.suggestion > div.b {
  background-color: #3498db;
}

.colors > div > div.c,
.suggestion > div.c {
  background-color: #2ecc71;
}

.colors > div > div.d,
.suggestion > div.d {
  background-color: #f1c40f;
}

.colors > div > div.e,
.suggestion > div.e {
  background-color: #9b59b6;
}

.colors > div > div.f,
.suggestion > div.f {
  background-color: #e67e22;
}

.pins {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 4px;
}

.pins > input {
  -moz-appearance: textfield;
  border-radius: 50%;
  border: 1px solid #0005;
  font-weight: bold;
  height: 24px;
  text-align: center;
  width: 23px;
}

.pins > input:first-child {
  background-color: #c00;
  color: #fff;
}

.pins > input:last-child {
  background-color: #fff;
  color: #333;
}

.pins > input::-webkit-outer-spin-button,
.pins > input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 7px;
}

.controls > button {
  border-radius: 3px;
  border: 1px solid #0005;
  color: #fff;
  cursor: pointer;
}

.controls > button:first-child {
  background-color: #b00;
  font-size: 12px;
  line-height: 16px;
}

.controls > button:disabled {
  background-color: #ddd;
  border-color: #0002;
  cursor: default;
}

.controls > button:first-child:not(:disabled):hover {
  background-color: #c11;
}

.controls > button:first-child:not(:disabled):active {
  background-color: #a00;
}

.controls > button:last-child {
  background-color: #090;
  font-size: 18px;
  line-height: 20px;
}

.controls > button:last-child:hover {
  background-color: #1a1;
}

.controls > button:last-child:active {
  background-color: #080;
}

.suggestion {
  border-top: 1px solid #ddd;
  margin-top: 20px;
  padding-top: 20px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.suggestion > div {
  border-radius: 4px;
  height: 50px;
  width: 50px;
}