body {
  display: flex;
  align-items: center;
  flex-direction: column;
}
h1 {
  color: red;
}
.div {
  background-color: red;
  width: 200px;
  height: 200px;
  display: inline-block;
  visibility: hidden;
}
span {
  display: inline-block;
  background-color: red;
  height: 200px;
  width: 200px;
}
.container {
  display: grid;
  gap: 1rem;
  background-color: cyan;
}

.position {
  border: 2px solid black;
  height: 300px;
  margin: 20px;
  position: relative;
  overflow: auto;
  padding: 10px;
}

.position div {
  padding: 10px;
  margin: 10px;
  color: white;
  font-weight: bold;
}

.static {
  background: gray;
  position: static;
}

.relative {
  background: blue;
  position: relative;
  top: 20px;
  left: 20px;
}

.absolute {
  background: green;
  position: absolute;
  top: 50px;
  right: 20px;
}

.fixed {
  background: red;
  position: fixed;
  bottom: 20px;
  right: 20px;
}

.sticky {
  background: purple;
  position: sticky;
  top: 0;
}
.box {
  width: 200px;
  height: 100px;
  border: 2px solid black;
  background: #f3f3f3;
  padding: 5px;
}

.box div {
  background: lightblue;
  width: 300px;
  height: 150px;
}

.visible {
  overflow: visible;
}
.hidden {
  overflow: hidden;
}
.scroll {
  overflow: scroll;
}
.auto {
  overflow: auto;
}
.clip {
  overflow: clip;
}