Preventing double borders in CSS Grid

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Given the current CSS grid example, how can I collapse the borders in order to avoid the double borders ?

This is such a simple thing to achieve using an Html table. How do I do it using display: grid ?

.wrapper {
  display: grid;
  grid-template-columns: 50px 50px 50px 50px;
}

.wrapper > div {
  padding: 15px;
  text-align: center;
  border: 1px solid black;
}
<div class="wrapper">
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
  <div>6</div>
  <div>7</div>
  <div>8</div>
</div>

You may do like this :

.wrapper {
  display: inline-grid;
  grid-template-columns: 50px 50px 50px 50px;
  border-bottom: 1px solid black;
  border-left: 1px solid black;
}

.wrapper > div {
  padding: 15px;
  text-align: center;
  border-top: 1px solid black;
  border-right: 1px solid black;
}

body {
 background:pink;
}
<div class="wrapper">
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
  <div>6</div>
  <div>7</div>
  <div>8</div>
</div>

Preventing double borders in CSS Grid, Given the current CSS grid example, how can I collapse the borders in order to avoid the double borders ? This is such a simple thing to achieve using an Html  I'm implementing crossword puzzle using css grid. blank cells have no color. and other cells have black border. the problem is that borders are collabsing over each other. I've already opened this question and this question. but the proble here is that not all cells have this double border. here is the code


Instead of using an actual border around grid items, use the background color on the container (for "border" color) and the grid-gap property (for "border" width).

.wrapper {
  display: inline-grid;
  grid-template-columns: 50px 50px 50px 50px;
  border: 1px solid black;
  grid-gap: 1px;
  background-color: black;
}

.wrapper > div {
  background-color: white;
  padding: 15px;
  text-align: center;
}
<div class="wrapper">
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
  <div>6</div>
  <div>7</div>
  <div>8</div>
</div>

How to set internal border lines on a CSS Grid layout, Most examples I see of CSSGrid layouts are blocks or cards stacked in different variations. I went looking for a solid example of just thin internal  Stack Overflow Public questions and answers Teams Private questions and answers for your team Enterprise Private self-hosted questions and answers for your enterprise


.wrapper {
  display: grid;
  grid-template-columns: 50px 50px 50px 50px;
}

.wrapper > div {
  padding: 15px;
  text-align: center;
  border: 1px solid black;
  margin:0 -1px -1px 0;
}
<div class="wrapper">
  <div>1</div>
  <div>2</div>
  <div>3</div>
  <div>4</div>
  <div>5</div>
  <div>6</div>
  <div>7</div>
  <div>8</div>
</div>

Grid of div's without doubling up touching borders, I'm trying to create a grid of divs (without using a table!). What I don't want to happen is any doubling up of borders, it should all be 1px. I’m trying to create a grid of divs (without using a table!). What I don’t want to happen is any doubling up of borders, it should all be 1px. I’ve done the following which works great when the grid is full:


I found a solution by using the outline property.

.grid {
	width: 100%;
	height: 700px;
	display: grid;
	grid-template-columns: repeat(4, 25fr);
	grid-template-rows: repeat(4, 25fr);
	margin-bottom: 30px;
	grid-gap: 1px;
}

.grid-item {
	background-color: silver;
	outline: 1px solid gray; /* The outline creates the border */
	text-align: center;
	position: relative;
	z-index: 1; /* original z-index */
}

/* If you want to change the color on the hover state */
.grid-item:hover {
	outline: 1px solid red;
	z-index: 2; /* You must apply a z-index bigger than the original z-index or else some parts of the outline will be behind other grid elements */
}
<div class="grid">
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
  <div class="grid-item"></div>
</div>

Overlapping Border between Tabs to prevent double-border, Format CSS; View Compiled CSS; Analyze CSS; Maximize CSS Editor; Minimize CSS Editor; Fold All; Unfold All. xxxxxxxxxx. 14. 1. $tab-border-width: 1px;. 2. The explanation here is that the minimum size of an fr unit is auto. Grid then looks at the min-content size of the item. If the item has a size (you’ve given it a width) or has something in it with a size such as an image, the min-content size might be much bigger than the share of available space you think 1fr will give you.


There is an easy way to do this:

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 1px;
}

.grid__item {
  border: 1px solid gray;
  box-sizing: content-box;
  width: 100%;
  height: 100%;
}
<div class="grid">
  <div class="grid__item">1</div>
  <div class="grid__item">2</div>
  <div class="grid__item">3</div>
  <div class="grid__item">4</div>
  <div class="grid__item">5</div>
  <div class="grid__item">6</div>
  <div class="grid__item">7</div>
  <div class="grid__item">8</div>
  <div class="grid__item">9</div>
  <div class="grid__item">10</div>
  <div class="grid__item">11</div>
  <div class="grid__item">12</div>
</div>

Overlapping borders for side by side divs - HTML & CSS, Format on Save. If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting. CSS Border Style. The border-style property specifies what kind of border to display. The following values are allowed: dotted - Defines a dotted border; dashed - Defines a dashed border; solid - Defines a solid border; double - Defines a double border; groove - Defines a 3D grooved border. The effect depends on the border-color value


Centering in CSS Grid, The border-left-style property sets the style of an element's left border. border-​left-style: none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset|  I just saw this cool little site from Max Bittker: broider.You design an image on a 9-slice grid (except the middle part) and it will produce an image for you to use with border-image along with the CSS to copy and paste.


CSS Outline Properties, This element has a black border and a green outline with a width of 10px. outline; double - Defines a double outline; groove - Defines a 3D grooved outline​  This is the one that feels like a CSS trick to me. table { border-collapse: collapse; border-style: hidden; } table td { border: 5px solid black; } MDN has an explanation: In case of table cell and border collapsing, the hidden value has the highest priority: it means that if any other conflicting border is set, it won’t be displayed.


CSS Layout Grid (display: grid) 1px Border, The border-top-style property sets the style of an element's top border. border-​top-style: none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset|  Word - Tables with "double border lines" Sometimes when I copy a table from a web page and paste it into word it will display with "double borders. A border line around the whole table, then a narrow white space and boxes around each cell with white space between the cells.