body {
  background-color: #ddd;
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;

  padding: 10px;
}

#number-r {
  color: red;
}

#number-g {
  color: green;
}

#number-b {
  color: blue;
}

.container {
  display: flex;
  justify-content: center;
  height: 100%;
}

.card {
  display: inline-block;
  background-color: white;
  border-radius: 10px;
}

.col1,
.col2,
.col3 {
  padding: 5px;
}

.col1 {
  min-width: 30px;
}

.col2 {
  transform: rotate(-90deg);
}

.col3 > input {
  max-width: 50px;
}

.row {
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.row2 {
  display: flex;
}

.row3 {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  font-size: 1.2rem;
  position: fixed;
  bottom: 90px;
}

input[type="range"] {
  transform: rotate(-90deg);
  cursor: pointer;
}
input[type="range"],
.number {
  width: 120px;
  padding: 0;
}

.ranges {
  position: fixed;
  bottom: 170px;
}

.footer {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.5), 0 6px 20px 0 rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  position: fixed;
  background-color: white;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 270px;

  text-align: center;
}

.bottom-footer {
  background-color: rgb(110, 90, 190);
  position: fixed;
  bottom: 0;
  padding: 10px;
  width: 100%;
}