html,
body {
  padding: 0;
  margin: 0;
}

body {
  font-family: sans-serif;
  font-size: 1rem;
}

.click {
  padding: 20px;
  text-align: center;
}

.parent {
  padding: 20px;
}

.item {
  background-color: rgb(228, 228, 228);
  padding: 20px;
  font-size: 0.77rem;
  line-height: 1.7;
}

.item:nth-child(1) {
  font-size: 1.1rem;
}

.item p {
  margin: 0;
}

.example-banner {
  max-width: 900px;
  height: 300px;
  background-color: rgb(222, 222, 255);
  margin: 0 auto 20px auto;
}

.center-me {
  color: rgb(113, 113, 175);
  font-size: 3rem;
}

.full-width-example {
  background-color: rgb(255, 211, 130);
  color: rgb(112, 86, 38);
  line-height: 1.7;
  padding: 20px;
}

.photo-example {
  max-width: 700px;
  margin: 20px auto;
}

.photo-example img {
  max-width: 100%;
  display: block;
}

.overlay-text {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.308);
  padding: 20px;
  font-size: 0.85rem;
  line-height: 1.7;
}

.overlay-text p {
  margin: 0;
}

.layout {
  
}

.header {
  background-color: rgb(113, 113, 175);
  color: #fff;
  padding: 20px;
}

.sidebar {
  background-color: #ddd;
  font-size: 0.8rem;
  color: #999;
  padding: 20px;
}

.main {
  padding: 20px;
  line-height: 1.7;
}

.footer {
  background-color: rgb(77, 77, 77);
  color: #fff;
  padding: 15px;
  font-size: 0.75rem;
}

.responsive-example {
  max-width: 1100px;
  margin: 20px auto;
}

.responsive-item {
  background-color: rgb(204, 247, 230);
  padding: 20px;
  color: rgb(90, 145, 123);
  font-size: 0.77rem;
  line-height: 1.7;
  overflow: auto;
}

.art-banner {
  background-color: rgb(0, 80, 112);
}

.art-banner-bg {
  opacity: 0.15;
  background: url("https://images.unsplash.com/photo-1574492543172-b37ab0de758c?crop=entropy&cs=srgb&fm=jpg&ixid=MnwxNDU4OXwwfDF8cmFuZG9tfHx8fHx8fHx8MTYyMzY4Nzg2MA&ixlib=rb-1.2.1&q=85")
    center center no-repeat;
  background-size: cover;
}

.banner-text {
  color: #fff;
  font-size: 8vw;
  font-weight: bold;
}

.badge {
  background-color: rgb(255, 41, 123);
  color: #fff;
  font-size: 2.5vw;
  font-weight: bold;
  width: 10vw;
  height: 10vw;
  border-radius: 50%;
  transform: rotate(15deg);
}

.badge p {
  
}

.art-banner::before {
  content: "";
  opacity: 0.85;
  border-top: 5px solid rgb(255, 41, 123);
  border-right: 5px solid rgb(255, 41, 123);
}

.art-banner::after {
  content: "";
  opacity: 0.85;
  border-bottom: 5px solid rgb(255, 41, 123);
  border-left: 5px solid rgb(255, 41, 123);
}