The float right attribute doesn't stay contained within the box; instead, it drifts outside the box

Question

The float right attribute doesn't stay contained within the box; instead, it drifts outside the box

I've been struggling to keep this box fixed at the top of the browser, but I'm facing an issue with the positioning on the right side. I can't seem to figure out how to solve it, so I'm reaching out for some help.

#StickyBar #RightSideOfStickyBar
{
    float: right;
}

The intention is for this element to float all the way to the far-right side within the #BoxAlpha container. However, it's currently extending all the way to the edge of the browser instead.

Additionally, I am using a CSS reset from HTML5 doctor.

Below is the HTML5 code:

<div id="BoxAlpha">

        <section id="StickyBar">

            <section id="LeftSideOfStickyBar">

                <ul class="Home">
                    <li class="HomeList">
                    <a href="#">Home</a>
                    </li>
                </ul>

            </section>

            <section id="RightSideOfStickyBar">

                <ul class="SignUpAndSignIn">
                    <li class="SignUpAndSignInList">
                    <a href="#">Sign Up</a>
                    </li>

                    <li class="SignUpAndSignInList">
                    <a href="#">Sign In</a>
                    </li>
                </ul>

            </section>

        </section>

    </div>

And here is the associated CSS:

#BoxAlpha
{
    width: 1000px; height: auto; margin-left: auto; margin-right: auto;
}

    #StickyBar
    {
        background-color: #EBEBEB; font-family: "Comic Sans MS", cursive, sans-serif; font-size: 1em; width: 100%; height: auto;
        line-height: 50px; background: linear-gradient(#00FFFF, #4D70DB); border-style: solid; border-color: #999999;
        position: fixed; top: 0; z-index: 1;
    }

        #StickyBar #LeftSideOfStickyBar
        {
            float: left;
        }

            #StickyBar #LeftSideOfStickyBar .Home
            {
                list-style: none;
            }

            #StickyBar #LeftSideOfStickyBar .Home .HomeList
            {
                float: left; width: 7em; text-align: center;
            }

            #StickyBar #LeftSideOfStickyBar .Home .HomeList > a
            {
                font-weight: 550; text-decoration: none; color: #000000; cursor: default;
            }

        #StickyBar #RightSideOfStickyBar
        {
            float: right;
        }

            #StickyBar #RightSideOfStickyBar .SignUpAndSignIn
            {
                list-style: none;
            }

            #StickyBar #RightSideOfStickyBar .SignUpAndSignIn .SignUpAndSignInList
            {
                float: left; width: 7em; text-align: center;
            }

            #StickyBar #RightSideOfStickyBar .SignUpAndSignIn .SignUpAndSignInList > a
            {
                font-weight: 550; text-decoration: none; color: #000000; cursor: default;
            }

css html

Answer 1

Answer №1

Alright, let's talk about simplifying your code a bit. The header has a position: fixed, which means it's not bound by its container. It will act like the only element on your page.

According to CSS absolute and fixed positioning on w3.org:

Fixed positioning is essentially a specialized form of absolute positioning; elements with fixed positioning are fixed in relation to the viewport/browser window rather than the containing element. Even if the page is scrolled, they remain in the exact position within the browser window.

If you want to maintain position: fixed, you can give it a max-width:

CSS

#StickyBar {
  max-width: 1000px;
}

Here's an example.

Alternatively, if you prefer not to use position: fixed, remove it and add overflow:hidden like this:

CSS

#StickyBar {
    overflow: hidden;
}

Now, it will adhere to the width of its parent element.

Here's an example without using position:fixed

If you're interested, I've also designed a simple layout for you to try out.

Check out the new layout example!

HTML

<header>
  <nav class="pages">
    <a href="#">Home</a>
  </nav>
  <nav class="signin">
    <a href="#">Signup</a>
    <a href="#">Signin</a>
  </nav>
</header>

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,body {
  height: 100%;
  font: 100% Helvetica;
}

header { 
  max-width: 1000px;
  height: 80px;
  background:linear-gradient(#0FF,#4D70DB);
  display: table;
  width: 100%;
  margin: 0 auto;
}

header nav { 
  display: table-cell;
  text-align: left;
  vertical-align: bottom;
}

header .signin {
  text-align: right;
}

a {
  color: #000;
  text-decoration: none;
  display: inline-block;
  padding: 10px;
}

Answer 2

Alright, let's talk about simplifying your code a bit. The header has a position: fixed, which means it's not bound by its container. It will act like the only element on your page.

According to CSS absolute and fixed positioning on w3.org:

Fixed positioning is essentially a specialized form of absolute positioning; elements with fixed positioning are fixed in relation to the viewport/browser window rather than the containing element. Even if the page is scrolled, they remain in the exact position within the browser window.

If you want to maintain position: fixed, you can give it a max-width:

CSS

#StickyBar {
  max-width: 1000px;
}

Here's an example.

Alternatively, if you prefer not to use position: fixed, remove it and add overflow:hidden like this:

CSS

#StickyBar {
    overflow: hidden;
}

Now, it will adhere to the width of its parent element.

Here's an example without using position:fixed

If you're interested, I've also designed a simple layout for you to try out.

Check out the new layout example!

HTML

<header>
  <nav class="pages">
    <a href="#">Home</a>
  </nav>
  <nav class="signin">
    <a href="#">Signup</a>
    <a href="#">Signin</a>
  </nav>
</header>

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,body {
  height: 100%;
  font: 100% Helvetica;
}

header { 
  max-width: 1000px;
  height: 80px;
  background:linear-gradient(#0FF,#4D70DB);
  display: table;
  width: 100%;
  margin: 0 auto;
}

header nav { 
  display: table-cell;
  text-align: left;
  vertical-align: bottom;
}

header .signin {
  text-align: right;
}

a {
  color: #000;
  text-decoration: none;
  display: inline-block;
  padding: 10px;
}

The float right attribute doesn't stay contained within the box; instead, it drifts outside the box

Answer №1

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