Hydration while hiking is critical to human health-- ensure that you are drinking enough water for physical activity. Grand Canyon National Park is advising hikers that they need to treat their drinking water at the following locations: Cottonwood Campground Manzinita Resthouse https://www.nps.gov/grca/learn/news/update-water-treatment-advisory.htm

National Park Service (NPS) and US Forest Service (USFS) fire managers, working together as the North Zone Interagency Fire Management Program, anticipate initiating more prescribed fire (Rx) treatments this week as weather and fuel moisture conditions allow on the North Rim of Grand Canyon National Park. https://www.nps.gov/grca/learn/news/north-zone-rx-fires.htm

Another major phase of the South Rim Roads Improvement Project is set to begin Thursday, April 19, when contractors pave Village Loop Drive. https://www.nps.gov/grca/learn/news/south-rim-paving.htm

Grand Canyon National Park's permit office is temporarily extending the permit processing time periods effective Feb. 14, 2020 until this summer. This change will impact commercial use authorizations (CUA) and special use permit (SUP) applications submitted after Feb. 14. https://www.nps.gov/grca/learn/news/grand-canyon-permit-processing-updates.htm

At last a stable cross browser method of centering a variable width float left dropdown menu.

A centered dropdown menu, using the latest centering technique, with flyout images

A centered dropline, dropdown, flyout menu, using the latest centering technique, with current selection option

An update to one of my early gallery demonstrations to bring it up to date using the latest CSS techniques.

An update to one of my early 'one page' demonstrations to bring it up to date using the latest CSS techniques.

A dropdown menu with any width sub menus and the option of left or right dropdown/flyouts.

A single level dropdown menu with multi-columns, headings and curved corners using sliding doors techniques for the dropdowns.

A single level dropdown anywidth menu with dropdown that are centered beneath the top level links.

A multi level dropdown flyout anywidth menu with dropdown and flyouts that are centered beneath the top level links, with the ability to have a left or right flyout.

A version 2 of the dropline, dropdown and flyout hybrid menu.

A dropline with dropdown menu which has widths automatiaclly set to suit content, the top level centered and all sub levels centered beneath the parent item.

Afer all this time there is finally a dropdown menu that doesn't use javascript, table, conditional comments, hacks, extra markup and works in all the major browsers including IE6.

For those who prefer nested unordered lists for their menus, again with no hacks, table, conditional comments or javascript.

Added a click to open and also a reclick to close feature.

A dropdown menu with top level centered and sub menus dynamic widths to fit the longest text, and all in shades of grey and black.

A dropdown menu with current page styling and the ability to override the current page style when hovering other items.

A simple method of replacing all text with images in a single level dropdown menu with rollover.

A more complex method of replacing all text with images in a single level dropdown menu using individual png images.

A dropdown menu using top level png images with the submenu used for image information.

A dropdown version of the previous multi-line flyout menu

Using the no hacks dropdown system and a little extra styling to produce a dropdown button menu with highlight on hover.

The no hacks, no javascript, no tables and no conditional comments dropdown/flyout menu restyled to work correctly in all browsers, with tabbing.

The no hacks, no javascript, no tables and no conditional comments dropdown/flyout menu with png opacity background images.

Using the new multi-level menu system this has a better indication of the path taken through the menu structure.

A multi-level drop/fly menu using the new system and mouse clicks instead of hovers.

A multi-level drop/fly menu using the new system with manually adjusted widths for top and sub levels.

The previous menu with the ability to adjust the widths of all levels.

The previous menu with the ability to adjust the widths of all levels and center each level.

The multi level dropdown/flyout menu with the path through the menu highlighted.

A small restyle to make this menu system more robust and have an easy menu trail style.

Back to the very basic styling to produce this no hacks dropdown/flyout menu.

Using the latest no hack system to have top level images and dropdown boxes cntaing images and text

A single level dropdown with top level rollover images.

A totally new method of producing a dropdown menu with variable width and NO hacks of any kind, just html and css.

A flyline / dropdown menu with CSS3 enhancements for browsers that support animation.

A dropdown menu with a twist and CSS3 enhancements.

Using the w3.org HTML+TIME to produce a dropdown menu that works in IE browsers from IE5.5 upwards (and all other browsers).

Using the no hacks float drop technique to produce an image dropdown menu with popup tooltips.

A single level dropdown menu aimed at the Safari Mobile browser (iPhone, iPad and iPod Touch).

Using the latest techniques to update the previous lightbox demos.