* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  padding: 20px;
}
h1,
h3 {
  text-align: center;
  margin: 20px 0;
}

ol {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}

ul li {
  list-style: none;
  display: flex;
  justify-content: baseline;
  align-items: center;
  margin: 10px 0;
}

.flex-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 30px;
  margin: 10px 0;
}

.flex-container > * {
  min-height: 30px;
  margin: 0 10px;
}

button,
input {
  min-height: 30px;
  padding: 0 10px;
}

#color-all,
#color-current {
  padding: 0;
}

.remove-btn {
  height: 15px;
  margin: 0 10px;
  cursor: pointer;
}