@import url(https://fonts.googleapis.com/css?family=Source+Code+Pro:200,300,regular,500,600,700,800,900,200italic,300italic,italic,500italic,600italic,700italic,800italic,900italic);

:root {
  --font-color: #0b0f2f;
  --bg-color: #fff;
  --primary-color: #489cf7;
  --secondary-color: #a3abba;
  --font-family: "Source Code Pro", sans-serif;
}

body {
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  user-select: none;
  color: var(--font-color);
  background-color: var(--primary-color);
  font-family: var(--font-family);
}
body.dark {
  --font-color: #fff;
  --bg-color: #0b0f2f;
}
.container {
  width: 40em;
  min-height: 50vh;
  margin: 0 auto;
  padding: 3em 5em;
  border-radius: 0.5em;
  background-color: var(--bg-color);
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1em;
}
header h1 {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--font-color);
}
.toggle {
  display: inline-block;
  position: relative;
  cursor: pointer;
  border: 0;
  padding: 0;
  background-color: transparent;
}
.toggle-track {
  width: 50px;
  height: 24px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  padding: 0 3px;
  justify-content: space-between;
  background-color: var(--font-color);
  transition: all 0.2s ease;
}
.toggle-checkbox {
  display: none;
}
.toggle-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--bg-color);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1) 0ms;
}
.toggle img {
  width: 20px;
  height: 20px;
}
.toggle input:checked ~ .toggle-thumb {
  transform: translateX(32px);
}
.display .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1em;
  border: 2px solid var(--secondary-color);
  border-radius: 0.5em;
  overflow: hidden;
}
.display .wrapper input {
  width: 100%;
  height: 35px;
  padding-left: 0.5em;
  border: none;
  outline: none;
  font-size: 1em;
  color: var(--font-color);
  background-color: transparent;
  font-family: var(--font-family);
}
.display .wrapper .icon {
  padding: 0.5em;
  cursor: pointer;
}
.doted-line {
  border-bottom: 2px dotted var(--secondary-color);
  margin: 3em 0;
}
.customize h1 {
  font-size: 1.2em;
  font-weight: 700;
}
.customize .wrapper {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 20px 40px;
  border-radius: 0.5em;
  border: 2px solid var(--secondary-color);
}

.customize .customize-item {
  display: flex;
  align-items: center;
  margin-bottom: 1em;
  text-transform: capitalize;
}
.checkbox-container {
  display: block;
  position: relative;
  padding-left: 45px;
  margin-bottom: 15px;
  cursor: pointer;
  user-select: none;
}
.checkbox-container input {
  position: absolute;
  opacity: 0;
  height: 0;
  width: 0;
}
.checkbox-container .checkmark {
  position: absolute;
  top: 0;
  left: 0;
  width: 25px;
  height: 25px;
  background-color: var(--font-color);
}
.checkbox-container .checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 9px;
  top: 5px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
}
.checkbox-container:hover input ~ .checkmark,
.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
}
.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}
.customize .right-side .customize-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 1em;
}
.slider {
  width: 100%;
  height: 15px;
  margin-top: 5px;
  border-radius: 30px !important;
  background-color: var(--font-color);
  outline: none;
  -webkit-appearance: none;
}
/* for chrome */
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: var(--primary-color);
  cursor: pointer;
}
/* for mozilla */
.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: var(--primary-color);
  cursor: pointer;
}
.btn {
  width: 100%;
  margin-top: 1em;
  padding: 1em 2em;
  border-radius: 0.5em;
  border: none;
  outline: none;
  cursor: pointer;
  color: #fff;
  background-color: var(--primary-color);
}
.btn:hover {
  background-color: var(--secondary-color);
}
@media screen and (max-width: 700px) {
  .container {
    width: 100%;
    padding: 1em;
  }
  .customize .wrapper {
    flex-direction: column;
  }
  .customize .right-side {
    width: 100%;
  }
  .customize .left-side {
    margin-bottom: 1em;
  }
  .customize .right-side .customize-item {
    margin-bottom: 1em;
  }
}