সিএসএস

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  display: grid;
  grid: 60px 60px / 80px 80px 80px;
  gap: 5px;
}

.container > div {
  background-color: lightgray;
  padding: 10px;
}
</style>
</head>
<body>

<div class="container">
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  display: grid;
  grid-template-columns: repeat(4, 80px);
  grid-template-rows: repeat(2, 60px);
  gap: 5px;
}

.item {
  background-color: lightgray;
}

.special {
  background-color: lightgray;
  grid-area: 1 / 1 / 3 / 3;
}
</style>
</head>
<body>

<div class="container">
  <div class="item special"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
  <div class="item"></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  display: grid;
  grid-template-columns: repeat(3, 70px);
  grid-auto-rows: 60px;
  gap: 5px;
}

.container > div {
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  display: grid;
  grid-template-rows: repeat(3, 70px);
  grid-auto-columns: 60px;
  gap: 5px;
}

.container > div {
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  display: grid;
  grid-template-columns: repeat(3, 70px);
  grid-auto-flow: column;
  gap: 5px;
}

.container > div {
  background-color: lightgray;
  height: 50px;
}
</style>
</head>
<body>

<div class="container">
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
.container {
  display: grid;
  grid-template-columns: repeat(3, 70px);
  grid-template-rows: repeat(2, 60px);
  gap: 5px;
}

.special {
  background-color: lightgray;
  grid-row: 1 / 3;
}

.container > div {
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div class="special"></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: auto auto auto auto;
  grid-gap: 5px;
}

.container > div {
  background-color: lightgray;
  text-align: center;
  padding: 20px 0;
}

.start {
  grid-row-start: 2;
}
</style>
</head>
<body>

<div class="container">
  <div class="start">1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: auto auto auto auto;
  grid-gap: 5px;
}

.container > div {
  background-color: lightgray;
  text-align: center;
  padding: 25px 0;
}

.end {
  grid-row-end: span 2;
}
</style>
</head>
<body>

<div class="container">
  <div class="end"></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: repeat(3, 70px);
  grid-template-rows: repeat(2, 60px);
  gap: 5px;
}

.special {
  background-color: lightgray;
  grid-column: 1 / 3;
}

.container > div {
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div class="special"></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: auto auto auto auto;
  grid-gap: 5px;
}

.container > div {
  background-color: lightgray;
  text-align: center;
  padding: 20px 0;
}

.start {
  grid-column-start: 2;
}
</style>
</head>
<body>

<div class="container">
  <div class="start"></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: auto auto auto auto;
  grid-gap: 5px;
}

.container > div {
  background-color: lightgray;
  text-align: center;
  padding: 25px 0;
}

.end {
  grid-column-end: span 4;
}
</style>
</head>
<body>

<div class="container">
  <div class="end"></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template: 50px 50px / 80px 80px 80px;
  gap: 5px;
}

.container > div {
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: 100px 200px;
  grid-template-rows: 50px 100px 50px;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  gap: 5px;
}

.header {
  grid-area: header;
  background-color: lightgray;
}

.sidebar {
  grid-area: sidebar;
  background-color: lightgray;
}

.main {
  grid-area: main;
  background-color: lightgray;
}

.footer {
  grid-area: footer;
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div class="header">হেডার</div>
  <div class="sidebar">সাইডবার</div>
  <div class="main">মেইন</div>
  <div class="footer">ফুটার</div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: 100px 200px;
  grid-template-rows: 50px 100px 50px;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  gap: 5px;
}

.header {
  grid-area: header;
  background-color: lightgray;
}

.sidebar {
  grid-area: sidebar;
  background-color: lightgray;
}

.main {
  grid-area: main;
  background-color: lightgray;
}

.footer {
  grid-area: footer;
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div class="header">হেডার</div>
  <div class="sidebar">সাইডবার</div>
  <div class="main">মেইন</div>
  <div class="footer">ফুটার</div>
</div>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
.container {
  display: grid;
  grid-template-columns: 100px 200px;
  grid-template-rows: 50px 100px 50px;
  grid-template-areas:
    "header header"
    "sidebar main"
    "footer footer";
  gap: 5px;
}

.header {
  grid-area: header;
  background-color: lightgray;
}

.sidebar {
  grid-area: sidebar;
  background-color: lightgray;
}

.main {
  grid-area: main;
  background-color: lightgray;
}

.footer {
  grid-area: footer;
  background-color: lightgray;
}
</style>
</head>
<body>

<div class="container">
  <div class="header">হেডার</div>
  <div class="sidebar">সাইডবার</div>
  <div class="main">মেইন</div>
  <div class="footer">ফুটার</div>
</div>

</body>
</html>