Tutorial 7 Creating Liquid Layouts INTRODUCTORY Objectives XP • Discern the differences among various types of layouts • Create a liquid layout • Create a nested div • Conform the footer width to the main column width New Perspectives on Blended HTML, XHTML, and CSS 2 Objectives • • • • XP Create a three-column layout Modify the layout width Create print styles Link a file to a print style sheet New Perspectives on Blended HTML, XHTML, and CSS 3 Creating a Two-Column Liquid Layout XP • Must decide between a portrait or landscape orientation • A liquid layout is a design that expands or contracts in proportion to the size of the user’s viewport – Measurements are specified using percentages • In an elastic layout, em values are used instead of percentage values • In a hybrid layout, part of the content may have a liquid layout, and the remainder has a fixed-width layout New Perspectives on Blended HTML, XHTML, and CSS 4 Creating a Two-Column Liquid Layout New Perspectives on Blended HTML, XHTML, and CSS XP 5 Creating a Two-Column Liquid Layout XP • To create a two-column liquid layout: – Decide the width (in percentages) of the narrower of the two columns. Generally, the sidebar column is narrow and the main column is wide. – Decide whether you want the sidebar column to appear on the left or the right – In the style sheet, enter the code for the sidebar and main id selectors. Assign a width (as a percentage) to the sidebar column. Do not assign a width to the main column – In the document body, enter start and end div tags for the sidebar and main divs – If you are not floating all the id selectors, change the source order so that the floated content appears before nonfloated content – If necessary, change the margins and cellpadding of your columns New Perspectives on Blended HTML, XHTML, and CSS 6 Creating a Two-Column Liquid Layout New Perspectives on Blended HTML, XHTML, and CSS XP 7 Creating a Two-Column Liquid Layout New Perspectives on Blended HTML, XHTML, and CSS XP 8 Creating a Two-Column Liquid Layout XP • To reposition the sidebar column, change the float property to right, and change the margin-left property to margin-right New Perspectives on Blended HTML, XHTML, and CSS 9 Creating a Two-Column Liquid Layout XP • Using styles to create a horizontal navbar from an unordered list New Perspectives on Blended HTML, XHTML, and CSS 10 Creating a Two-Column Liquid Layout XP • Creating a hover effect and a footer – The hover effect changes the appearance of an element when your mouse hovers over it New Perspectives on Blended HTML, XHTML, and CSS 11 Creating Nested Divs XP • A nested div is a div within another div – Used previously to create a structure with container and wrapper divs New Perspectives on Blended HTML, XHTML, and CSS 12 Creating Nested Divs New Perspectives on Blended HTML, XHTML, and CSS XP 13 Creating Three-Column Liquid Layouts XP • Create a style for the universal selector to zero out padding and margins for all elements • Style the body element New Perspectives on Blended HTML, XHTML, and CSS 14 Creating Three-Column Liquid Layouts XP • Enter the code and styles for the header and navbar – If necessary create a hover effect for the navbar New Perspectives on Blended HTML, XHTML, and CSS 15 Creating Three-Column Liquid Layouts XP • To create a three-column liquid layout: – Decide on the width (in percentages) for each of the narrower two sidebar columns – Decide how you want the sidebar columns to float – In the style sheet, enter the code for the sidebar and main id selectors. Assign widths to both sidebar columns. Do not assign a width to the main column – In the document body, enter start and end div tags for the sidebars and the main divs – If necessary, change the source order so that the floated content appears before nonfloated content New Perspectives on Blended HTML, XHTML, and CSS 16 Creating Three-Column Liquid Layouts New Perspectives on Blended HTML, XHTML, and CSS XP 17 Creating Three-Column Liquid Layouts New Perspectives on Blended HTML, XHTML, and CSS XP 18 Modifying the Layout Width XP • Add a start div tag for the container, just below the start body tag, and an end div tag just above the end body tag • Style the container id selector New Perspectives on Blended HTML, XHTML, and CSS 19 Modifying the Layout Width New Perspectives on Blended HTML, XHTML, and CSS XP 20 Using Print Styles XP • A print style is a style designated to create output for printed copy • To create print styles: – Change the text color to black and the background color to white – Specify a font size in points – Specify the font family as a serif font – Style the navbar, banner, and images to have a display property value of none – Set the line height to 120% or greater – Use the @page rule to set the page size and margin New Perspectives on Blended HTML, XHTML, and CSS 21 Using Print Styles New Perspectives on Blended HTML, XHTML, and CSS XP 22