display: flex; is a CSS property that is used to create a flexible layout. It turns an element into a flex container, allowing you to control the positioning and alignment of its child elements. With the display: flex; property, you can easily create responsive and dynamic layouts. You can learn more about display: flex; and how to use it in CSS on the following link: CSS Flexbox

To make a vertical list horizontal, you can use CSS display property and set it to flex. Here’s an example in CSS:

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ul {
  display: flex;
  justify-content: space-between;
  list-style: none;
}

This code will make all ul lists display horizontally with equal space between the items. You can replace ul with any other selector if you want to target a different element or class.

To center and scale an entire website in CSS, you can use the following CSS code:

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body {
  margin: 0;
  padding: 0;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

This code sets the margin and padding of the body element to 0 to remove any default styling. It then sets the height to 100% to make the body element take up the entire height of the viewport.

Finally, this code sets the display property to flex and uses align-items: center and justify-content: center to center the contents of the body element both vertically and horizontally.

Here is an example of how this would work in practice: https://codepen.io/shecodes/pen/wvoWHZW.

Hope this helps!

To create columns in HTML, you can use a combination of HTML and CSS. One popular way to create columns is to use the CSS property display: flex on a parent element, and then set the child elements to have a width of a percentage (that adds up to 100%). Here's an example code snippet using HTML and CSS:

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<div class="columns">
  <div class="column">Column 1 content goes here</div>
  <div class="column">Column 2 content goes here</div>
  <div class="column">Column 3 content goes here</div>
</div>

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.columns {
  display: flex;
}

.column {
  width: 33%;
}

In the above example, the div elements with class "column" will be displayed in a row because of the display: flex property on the parent div with class "columns". Each child div is given a width of 33%, which adds up to a total of 100% for the 3 columns. You can adjust the width percentages and add more or fewer columns as needed.

Here's a link to a more detailed guide on creating columns in HTML using CSS: https://www.w3schools.com/howto/howto_css_two_columns.asp

To center align an image, you can apply CSS text-align property to the container element and set its value to center. Here's an example for an HTML image tag:

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<div style="text-align: center;">
  <img src="your-image.jpg" alt="Your Image">
</div>

You can also use CSS to center the image horizontally and vertically within the container element by setting the display property to flex and using the align-items and justify-content properties with the value of center. Here's an example:

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<div style="display: flex; align-items: center; justify-content: center; height: 100vh;">
  <img src="your-image.jpg" alt="Your Image">
</div>

This will center the image both horizontally and vertically within the container element.

To center vertically, you can use the display and align-items properties in CSS. Here's an example:

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.container {
  display: flex;
  align-items: center;
  /* add height to the container to see vertical centering */
  height: 200px;
}

In this example, the .container element is a flex container, and the align-items property is set to center. This centers the child elements vertically within the container. You can adjust the height property of the container to see the effect more clearly.

Here's a link to more information on CSS Flexbox: https://www.w3schools.com/css/css3_flexbox.asp

You can use the Bootstrap card-deck class to make your cards the same height.

You can also use d-flex and align-items-stretch to make the cards the same height using Flexbox.

Here's an example using the card-deck class:

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<div class="card-deck"> 
  <div class="card"> 
    <h3>Card 1</h3> 
  </div> 
  <div class="card"> 
    <h3>Card 2</h3> 
  </div> 
  <div class="card"> 
    <h3>Card 3</h3> 
  </div> 
  <div class="card"> 
    <h3>Card 4</h3> 
  </div>
</div>

Here's an example using Flexbox:

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.card-deck {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
}

.card {
  flex: 1 0 auto;
}

HTML:

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<div class="container">
    <div class="row">
        <div class="col-3">Bootstrap</div>
        <div class="col-3">Today</div>
        <div class="col-3">Tomorrow</div>
        <div class="col-3">Weekend</div>
        <div class="col-3">Next week</div>
    </div>
</div>

CSS:

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.container {
    width: 100%;
}

.row {
    display: flex;
    flex-direction: row;
}

.col-3 {
    width: 33.33%;
    border: 2px solid black;
    text-align: center;
    padding: 5px 0;
    margin: 5px 0;
}

JavaScript:

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// No JavaScript is required to complete this task.

In order to have three pictures on the same line using CSS, you can use the <div> HTML element and add the following inline styling:

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div {
 display: flex;
 flex-direction: row;
}

Then, add the img HTML element inside the <div> tags.

For example:

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<div>
  <img src="pic1.jpg">
  <img src="pic2.jpg">
  <img src="pic3.jpg">
</div>

For more information about CSS Flexbox, see:

https://css-tricks.com/snippets/css/a-guide-to-flexbox/

If you're using HTML and CSS you will need to wrap the columns with a <div> tag and set the display property to flex.

This will ensure that the columns appear within the same row. An example is shown below:

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.wrapper {
    display: flex;
}

First, set the flex container to have display: flex. Then, you can use the justify-content property to set the alignment of the flex items along the horizontal axis. To disable justify-content: center when using media queries, you should use the following code:

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@media (max-width: 600px) {
  .container {
    display: flex;
    justify-content: flex-start; /* Disable justify-content: center */
  }
}

Using the flex box model, you can center an image within a container by setting the container's display style to flex, the justify-content style to center and the align-items style to center:

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.container {
  display: flex;
  justify-content: center;
  align-items: center;
}

With display: flex, you can divide the website in 3 vertical columns with the same size using a combination of flex-direction: row and flex: 1 on the child elements.

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.container {
  display: flex;
  flex-direction: row;
}

.column {
  flex: 1;
}

To center an <h2> vertically in the page, you can wrap the <h2> element in an outer <div> and apply the following CSS:

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div { 
  display: flex; 
  align-items: center;
}

To position vertical listed items in the center of the head part in CSS, you can use the flex property. Use the justify-content: center to vertically center the elements, along with the align-items: center if needed.

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header {
  display: flex;
  justify-content: center;
  align-items: center;
}

This tutorial provides a step-by-step guide on how to create a responsive, flex-based navigation with logo & icons using HTML & CSS:

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<nav class="main">
  <div class="logo">
    <a href="/"></a>
  </div>
  <ul class="navigation">
    <li>
      <a href="/">Home</a>
    </li>
    <li>
      <a href="/about/">About</a>
    </li>
    <li>
      <a href="/contact/">Contact</a>
    </li>
    <li class="icon">
      <a href="#" onclick="openNav()">&#9776;</a>
    </li>
  </ul>
</nav>

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.main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgb(255, 255, 255);
  padding: 10px;
  font-size: 16px;
}

.navigation {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
}

.navigation li {
  padding: 0 10px;
}

.icon {
  display: none;
}

@media (max-width: 768px) {
  .navigation {
    display: none;
  }

  .icon {
    display: inline-block;
  }
}

Head over to our tutorial for the full explanation, code examples, and more: https://www.shecodes.io/tutorials/create-a-flex-based-navigation-with-logo-icons-using-html-css

In HTML, you can use the <div> element. For example:

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<!-- HTML example -->
<div>
    <p>Hello world</p>
    <p>Hello world</p>
</div>

In CSS, you can create two side-by-side blocks using the display: flex; property. For example:

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/* CSS example */
div {
    display: flex;
}

To horizontally center an unordered list you can use the following code snippet:

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ul {
  display: flex;
  justify-content: center;
}

In HTML, you can create columns using the <div> element, setting the widths of each column with the style attribute and the width property. Additionally, you can use the display property and specify a value of flex, inline-flex, or grid. Here is an example of creating two columns with the flex display property:

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<div style="display: flex;">

    <div style="flex: 1;">
        First column content goes here
    </div>

    <div style="flex: 1;">
        Second column content goes here
    </div>

</div>

Additionally, if you are looking for a more accessible and semantic approach to creating columns, you can use <table>, <thead>, and <tbody> elements with the colspan attribute. For more information on creating tables in HTML, you can read this article from w3schools.

You can use the CSS display: flex property to display elements in a single row. You can read more about the flex property here.

Here's a basic example of how it could work:

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.videos {
  display: flex;
}