"Applying CSS styles to expand the size of

Question

"Applying CSS styles to expand the size of

Is there a way to prevent the blue div from overflowing the red div, but still always fill its parent container? I searched on stackoverflow and found suggestions to use height: 100%, but this causes issues when the child element has padding. How can this be achieved without altering the styling of the parent class?

.parent {
  background: red;
  height: 150px;
  width:300px;
}
.child{
  height: 100%;
  padding:20px;
  width:100px;
 background: blue; 
}

<div class='parent'>
  <div class='child'>
  
  </div>
  </div>

html css

Answer 1

Answer №1

Include the CSS property box-sizing: border-box; for a better layout, you can find more information here

* {
    box-sizing: border-box;
}

* {
    box-sizing: border-box;
}
.parent {
  background: red;
  height: 150px;
  width:300px;
}
.child{
  height: 100%;
  padding:20px;
  width:100px;
 background: blue; 
}

<div class='parent'>
  <div class='child'>
  
  </div>
  </div>

Answer 2

Include the CSS property box-sizing: border-box; for a better layout, you can find more information here

* {
    box-sizing: border-box;
}

* {
    box-sizing: border-box;
}
.parent {
  background: red;
  height: 150px;
  width:300px;
}
.child{
  height: 100%;
  padding:20px;
  width:100px;
 background: blue; 
}

<div class='parent'>
  <div class='child'>
  
  </div>
  </div>

Answer 3

Answer №2

You have two options to manage the height of children elements: using box-sizing: border-box; or calculating the height like this

height: calc(100% - 40px */ Your padding */

Method 1

* {
  box-sizing: border-box;
}

.parent {
  background: red;
  height: 150px;
  width: 300px;
}

.child{
  height: 100%;
  padding: 20px;
  width: 100px;
  background: blue;
}

Method 2

.parent {
  background: red;
  height: 150px;
  width: 300px;
}

.child{
  height: calc(100% - 40px);
  padding: 20px;
  width: 100px;
  background: blue;
}

Answer 4

You have two options to manage the height of children elements: using box-sizing: border-box; or calculating the height like this

height: calc(100% - 40px */ Your padding */

Method 1

* {
  box-sizing: border-box;
}

.parent {
  background: red;
  height: 150px;
  width: 300px;
}

.child{
  height: 100%;
  padding: 20px;
  width: 100px;
  background: blue;
}

Method 2

.parent {
  background: red;
  height: 150px;
  width: 300px;
}

.child{
  height: calc(100% - 40px);
  padding: 20px;
  width: 100px;
  background: blue;
}

"Applying CSS styles to expand the size of

Answer №1

Answer №2

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