I am encountering challenges and confusion with CSS

I am encountering an issue with my code that is causing some difficulties. The goal is to create a basic div with left, right, and center panes. The left pane loads perfectly, but the right pane, which has the same css styling, displays its children with a collapsed margin. My main concern is why the margin-top is not functioning for the children in the right pane?

Edit: I managed to resolve this problem by utilizing padding-top: 0.5px in the css of the right pane.

After some reading on margin collapsing, I decided to adjust the styling of the .picHolderSide class to include

position: absolute; top: 0; left: 0;
. This led to some unexpected issues as I anticipated the absolute positioned elements to be based on the next positioned parent, which should be the right pane. Can someone replicate what I did and explain why it behaved the way it did because articulating it is proving challenging.

Furthermore, I encountered another setback which prompted me to seek assistance on stack overflow. I modified the width attribute of the .picHolderSide class to 140px from 100%, resulting in the children in the right pane overlapping perfectly with the ones in the left pane! I'm unsure where I am going wrong with this, so any help with these three questions would be greatly appreciated. Thank you in advance.

<html>
    <head>
        <style type = "text/css" rel = "stylesheet">
            #photoSliderContainer{
                height: 500px;
                width: 700px;
                background-color: black;
                position: relative;
                left: 0;
                top: 0;
            }
            #leftDivider{
                background-color: rgb(50, 50, 50);
                height: 100%;
                width: 20%;
                position: absolute;
                left: 0;
                top: 0;
            }
            #rightDivider{
                background-color: rgb(60, 60, 60);
                height: 100%;
                width: 20%:
                position: absolute;
                left: 80%;
                top: 0;
            }
            #centerDivider{
                height: 100%;
                width: 60%;
                background-color: rgb(70, 70, 70);
                position: absolute;
                left: 20%;
                top: 0;
            }
            #bottomDivider{
                position: absolute;
                background-color: rgb(80, 80, 80);
                height: 20%;
                width: 100%;
                top: 80%;
                left: 0;
            }
            .picHolderSide{
                height: 100px;
                width: 100%;
                background-color: rgb(90, 90, 90);
                margin-top: 25px;
                margin-bottom: 25px;

            }
        </style>
    </head>
    <body>
        <div id = "photoSliderContainer">
            <div id = "leftDivider">
                <div class = "picHolderSide">

                </div>
                <div class = "picHolderSide">

                </div>
                <div class = "picHolderSide">

                </div>
            </div>
            <div id = "centerDivider">
                <div id = "bottomDivider">

                </div>
            </div>
            <div id = "rightDivider">
                <div class = "picHolderSide">

                </div>
                <div class = "picHolderSide">

                </div>
                <div class = "picHolderSide">

                </div>
            </div>
        </div>
    </body>
</html>

Answer №1

The element with the ID of #rightDivider is currently invalid because it has a colon instead of a semi-colon after width: 20%. This mistake is also affecting the position: absolute property. To correct this issue, replace the colon with a semi-colon in your CSS code for that specific ID:

#rightDivider{
    background-color: rgb(60, 60, 60);
    height: 100%;
    width: 20%;
    position: absolute;
    left: 80%;
    top: 0;
}

Helpful Hint: Utilize Chrome Developer Tools (F12) to debug and analyze your CSS and code. The browser will highlight any errors, such as crossed-out properties like width and position.

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