:root {
  --vh: 1vh;
  --clock-size: min(100vw, 80 * var(--vh));
}

body {
    user-select: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overflow-y: hidden;
}

#clock {
    position: relative;
    height: var(--clock-size);
    width: var(--clock-size);
}

#clock_minute {
  position: absolute;
  left: calc((var(--clock-size) / 2) - (20px));
  top: calc((var(--clock-size) / 2) - (145px));
  transform-origin: 20px 145px;
  z-index: 1;
  width: 40px;
  height: 165px;
  transition: transform 2.5s;
}

#clock_hour {
  position: absolute;
  left: calc((var(--clock-size) / 2) - (20px));
  top: calc((var(--clock-size) / 2) - (109px));
  transform-origin: 20px 109px;
  z-index: 2;
  width: 40px;
  height: 129px;
  transition: transform 2.5s;
}

#clock_back {
  position: absolute;
  left: calc((var(--clock-size) / 2) - (478px / 2));
  top: calc((var(--clock-size) / 2) - (479px / 2));
  z-index: 0;
  width: 479px;
  height: 478px;
}

#check {
  font-family: Orbitron;
  font-size: min(10vh, 10vw);
  height: 20vh;
  width: 100vw;
}

#check input {
  border: 1px solid #000;
  font-family: Orbitron;
  font-size: min(10vh, 10vw);
}

#input_hour, #input_minute {
  text-align: center;
  width: min(25vh, 25vw);
}

#input_check {
  cursor: pointer;
  margin: min(1vw, 1vh)
}

#input_set_resolution {
  cursor: pointer;
}

#input_hour::placeholder, #input_minute::placeholder {
  color: #CCCCCC;
}

#responses {
  z-index: 3;
}

.response {
  position: absolute;
  opacity: 0;
}

.fadeIn {
  visibility: visible;
  opacity: 1;
  transition: opacity 1.25s ease-in-out;
}

.fadeOut {
  visibility: hidden;
  opacity: 0;
  transition: visibility 1.25s, opacity 1.25s ease-in-out;
}

#settings {
  font-family: Orbitron;
  font-size: 5vh;
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.8);
  position: absolute;
  z-index: 4;
  width: 100%;
  height: 100%;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.5s, opacity 0.5s linear;
}

#settings div {
  width: 60vw;
  text-align: left;
}

#settings input {
  font-family: Orbitron;
  font-size: 5vh;
}

#settings input[type=radio] {
    border: 0px;
    height: 4vh;
    width: 4vh;
}

#settings_toggle {
  cursor: pointer;
  color: #0097E4;
  position: absolute;
  top: 0;
  left: 0;
}

#settings_toggle span {
  font-size: min(5vw, 5vh);
}

/* Hide number arrows */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}