What is the best way to ensure the child element completely covers the border of its parent

Question

What is the best way to ensure the child element completely covers the border of its parent

Imagine this scenario: I have a black box (<div>) and pink boxes that are also divs. My goal is to make them resemble tabs, with the active one covering up the border of the parent to create a 'bridge' effect typical in tab designs.

I initially tried widening the active tab slightly so it covers the border, but ran into issues. If I set overflow-x: hidden;, the wider part gets hidden beneath the black outline. On the other hand, setting it to auto or visible allows for scrolling, which isn't ideal.

An important requirement is that the pink boxes must have position relative.

So, what am I missing here?

EDIT: I forgot to mention a crucial detail - the black box has overflow-y: hidden. When I add this property, the previously mentioned methods no longer work as expected.

html css

Answer 1

Answer №1

Here is a potential solution for you to consider:

.main {text-align: right;border: 10px solid #000;}
.main > div > div {width: 100px; height: 60px; display: inline-block;background-color: red;margin: 10px 0;}
.main > .selected > div {margin-right: -10px;padding-left: 10px;}

<div class="main">
    <div class="selected"><div></div></div>
    <div><div></div></div>
    <div><div></div></div>
</div>

Answer 2

Here is a potential solution for you to consider:

.main {text-align: right;border: 10px solid #000;}
.main > div > div {width: 100px; height: 60px; display: inline-block;background-color: red;margin: 10px 0;}
.main > .selected > div {margin-right: -10px;padding-left: 10px;}

<div class="main">
    <div class="selected"><div></div></div>
    <div><div></div></div>
    <div><div></div></div>
</div>

Answer 3

Answer №2

To ensure proper display, simply specify a width for your container div without employing the overflow-x hidden; property.

For instance, refer to this demonstration: http://jsfiddle.net/YhAmh/1/

Answer 4

To ensure proper display, simply specify a width for your container div without employing the overflow-x hidden; property.

For instance, refer to this demonstration: http://jsfiddle.net/YhAmh/1/

Answer 5

Answer №3

For the pink divs that are already set to position: relative, you can simply adjust the active ones by shifting them slightly to the right:

.activediv{
    left: 5px;
}

Answer 6

For the pink divs that are already set to position: relative, you can simply adjust the active ones by shifting them slightly to the right:

.activediv{
    left: 5px;
}

Answer 7

Answer №4

To create the desired layout, try using position: absolute instead of position: relative, along with setting overflow-y: hidden in the parent div.

Check out the outcome by visiting this link: http://jsfiddle.net/eugip9/sqjck/

Answer 8

To create the desired layout, try using position: absolute instead of position: relative, along with setting overflow-y: hidden in the parent div.

Check out the outcome by visiting this link: http://jsfiddle.net/eugip9/sqjck/

What is the best way to ensure the child element completely covers the border of its parent

Answer №1

Answer №2

Answer №3

Answer №4

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