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Introduction to the usage of grid attribute in css (code)

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2018-10-17 15:47:082592browse

This article brings you an introduction to the usage of the grid attribute in CSS (code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

grid layout

Attributes added to the parent element

grid-template-columns/grid-template-rows

  • Defines the width and height of the row or column of the element

  • If the parent element is divided into 9 equal parts, no matter how many children there are Elements are displayed in 9 equal parts

  • grid-template-columns: 33% 33% 33%; can be written as grid-template-columns:repeat(3, 33%);

.container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}
.container1 {
  grid-template-columns: 33% 33% 33%;
  grid-template-rows: 33% 33% 33%;
}
<div>
  <div></div>
  <div></div>
</div>

Introduction to the usage of grid attribute in css (code)

grid-template-areas

  • Parent The grid-template-areas of the element cooperates with the grid-area of ​​the child element to define the grid area

  • A period represents an empty grid unit

.container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}
.container2 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr 1fr;
  grid-template-areas: "header header . footer"
    "main main . sidebar"
    "main main . sidebar";
}

.container2 .item-1 {
  grid-area: header;
}

.container2 .item-2 {
  grid-area: main;
}

.container2 .item-3 {
  grid-area: sidebar;
}

.container2 .item-4 {
  grid-area: footer;
}
<div>
  <div>header</div>
  <div>main</div>
  <div>sidebar</div>
  <div>footer</div>
</div>

Introduction to the usage of grid attribute in css (code)

##grid-column-gap/grid-row-gap/grip-gap

  • Refers to the size of the grid lines, which can also be said to be the spacing between grid items

.container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}
.container3 {
  grid-template-columns: repeat(3, 30%);
  grid-template-rows: repeat(3, 30%);
  grid-column-gap: 2%;
  grid-row-gap: 2%;
}
<div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</div>

Introduction to the usage of grid attribute in css (code)

justify -items/align-items

  • justify-itemsAlign the content of child elements with the vertical column axis

  • align-itemsAlign The content of the child element is aligned with the horizontal row axis

  • Both attributes have four values

  • In my example, for the convenience of comparison, Nested grid

.container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}

.container4 {
  width: 400px;
  height: 200px;
  grid-template-columns: repeat(4, 25%);
  grid-template-rows: repeat(2, 50%);
}
.container4 .item {
  display: grid;
}
.container4 .item p {
  background-color: coral;
  border: 1px dashed #aaa
}
.container4 .item-1 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  justify-items: start;
}
.container4 .item-2 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  justify-items: end;
}
.container4 .item-3 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  justify-items: center;
}
.container4 .item-4 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  justify-items: stretch;
}
.container4 .item-5 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  align-items: start;
}
.container4 .item-6 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  align-items: end;
}
.container4 .item-7 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  align-items: center;
}
.container4 .item-8 {
  grid-template-columns: repeat(2, 50%);
  grid-template-rows: repeat(2, 50%);
  align-items: stretch;
}
<div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
<p style="text-align: center;"><span class="img-wrap"><img src="https://img.php.cn//upload/image/595/108/774/1539762039887932.png" title="1539762039887932.png" alt="Introduction to the usage of grid attribute in css (code)"></span></p>##justify-content/align-content<p><strong> </strong></p>
<ul class=" list-paddingleft-2">Set the alignment of child elements, justify means vertical, align means horizontal <li>
<p></p>
<pre class="brush:php;toolbar:false">.container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}

.container5 {
  width: 700px;
  height: 200px;
  grid-template-columns: repeat(7, 14%);
  grid-template-rows: repeat(2, 50%);
}

.container5 .item {
  display: grid;
}

.container5 .item p {
  background-color: coral;
  border: 1px dashed #aaa
}

.container5 .item-1 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: start;
}

.container5 .item-2 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: end;
}

.container5 .item-3 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: center;
}

.container5 .item-4 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: stretch;
}

.container5 .item-5 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: space-around;
}

.container5 .item-6 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: space-between;
}

.container5 .item-7 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  justify-content: space-evenly;
}

.container5 .item-8 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: start;
}

.container5 .item-9 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: end;
}

.container5 .item-10 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: center;
}

.container5 .item-11 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: stretch;
}

.container5 .item-12 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: space-around;
}

.container5 .item-13 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: space-between;
}

.container5 .item-14 {
  grid-template-columns: repeat(2, 40%);
  grid-template-rows: repeat(2, 40%);
  align-content: space-evenly;
}
rrree

Introduction to the usage of grid attribute in css (code)

grid-auto-columns/grid-auto-rows

    If the value after grid-column is in the form of 1 / 2, it means starting from column 1 The grid line starts and ends with the grid line in column 2. If the grid defined by this attribute exceeds the scope of the parent element, an implicit grid will be automatically generated

    • grid-auto -columns and grid-auto-rows two properties to specify the width of these implicit grid tracks

  • <div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
  <div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
    <div>list</div>
  </div>
</div>
    .container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}

.container6 {
  width: 120px;
  height: 180px;
  grid-template-columns: 60px 60px;
  grid-template-rows: 90px 90px;
  grid-auto-columns: 60px;
}
.container6 .item-1 {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
  border: 1px solid #ccc;
}
.container6 .item-2 {
  grid-column: 5 / 6;
  grid-row: 2 / 3;
  border: 1px solid #ccc;
}

Introduction to the usage of grid attribute in css (code)

Introduction to the usage of grid attribute in css (code)##grid-auto-flow

No grid elements When, the automatic arrangement

  • row means to arrange from left to right, and column means to arrange from top to bottom

  • <div>
  <div>1/2&2/3</div>
  <div>5/6&2/3</div>
</div>
    .container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}

.container7 {
  display: grid;
  width: 200px;
  height: 40px;
  grid-template-columns: 40px 40px 40px 40px 40px;
  grid-template-rows: 40px 40px;
  /* grid-auto-flow: row; */
  grid-auto-flow: column;
}
.container7 .item-1 {
  grid-column: 1;
  grid-row: 1 / 3;
}

.container7 .item-5 {
  grid-column: 5;
  grid-row: 1 / 3;
}

Introduction to the usage of grid attribute in css (code)

Introduction to the usage of grid attribute in css (code)##Attributes added to child elements

grid-column-start/grid-column-end/grid-row-start/grid-row-end/grid-column/grid-row

Definition The starting or ending position of the grid

  • is a number, indicating starting from this line. The value is span plus a number, indicating that the position of this line is covered 

  • <div>
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
</div>
    .container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}

.container8 {
  margin-top: 20px;
  grid-template-columns: repeat(5, 20%);
  grid-template-rows: repeat(5, 20%);
}
.container8 .item-1 {
  grid-column-start: 2;
  grid-column-end: 4;
  grid-row-start: 1;
  grid-row-end: 2;
}
.container8 .item-2 {
  grid-column-start: 4;
  grid-column-end: span 5;
  grid-row-start: 2;
  grid-row-end: span 5;
}
.container8 .item-3 {
  grid-column: 1 / span 2;
  grid-row: 2 / span 4;
}

Introduction to the usage of grid attribute in css (code)

justify-self/align-self

  • 网格子项内容与格线对齐

.container {
  width: 200px;
  height: 200px;
  display: grid;
  background-color: coral;
  margin: 10px;
}

.container .item {
  border: 1px solid #ccc;
  background-color: chocolate;
}
.container9 {
  width: 400px;
  height: 200px;
  grid-template-columns: repeat(4, 25%);
  grid-template-rows: repeat(2, 50%);
}
.container9 .item-1 {
  justify-self: start;
}
.container9 .item-2 {
  justify-self: end;
}
.container9 .item-3 {
  justify-self: center;
}
.container9 .item-4 {
  justify-self: stretch;
}
.container9 .item-5 {
  align-self: start;
}
.container9 .item-6 {
  align-self: end;
}
.container9 .item-7 {
  align-self: center;
}
.container9 .item-8 {
  align-self: stretch;
}
<div>
  <div>item-1</div>
  <div>item-2</div>
  <div>item-3</div>
  <div>item-4</div>
  <div>item-5</div>
  <div>item-6</div>
  <div>item-7</div>
  <div>item-8</div>
</div>

Introduction to the usage of grid attribute in css (code)

Introduction to the usage of grid attribute in css (code)


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