Center a Bootstrap 4 card both vertically and horizontally without overflowing the screen

I am facing an issue with a single page layout where I have a centrally positioned card containing a form and text. Once the form is submitted, a list is displayed. However, sometimes the list is lengthy causing the card to cut off at the top with no scroll option. I have tried adjusting using padding-top but am struggling to find a solution that doesn't affect the width based on the screen size.

Here is the CSS snippet:

    html,
    body {
        height: 100%;
    }

    .container,
    .row.justify-content-center.align-items-center {
        height: 100%;
        min-height: 100%;
    }

For a full example, you can check this link: http://jsbin.com/madigarixu/edit?html,css,output

csstwitter-bootstrapbootstrap-4

Answer №1

Give this a shot!

    css,
    div {
        width: 50%;
    }

    .box,
    .container.section {
        width: 100%;
        max-width: 100%;
    }
  .section {
      max-width: 75% !important;
      width: 50% !important;
  }

Check out the updated code on jsfiddle

Answer №2

To ensure perfect centering, consider using the min-height property instead. Another tip is to add padding to the body for fixed top navbars. By utilizing the calc function to subtract the body padding from the min-height, the card will be centered flawlessly...

body {
    padding-top:50px;
}

.container,
.row.justify-content-center.align-items-center {
    min-height: calc(100vh - 50px);
}

Check out this Codeply link for more details.

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