, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Events List | Âé¶¹Çø

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Events List

Jul 08–Jul 10, 2025

Preserve | Nature Camp | Week 5: Nature Gamers

9:00 am–4:00 pm
Bunker Interpretive Center
It's GAME ON at the Preserve!
Jul 09, 2025

January Series in July

12:00 pm
More details on this virtual event will be released this Spring.
Jul 15–Jul 17, 2025

Preserve | Nature Camp | Week 6: Water Wonder

9:00 am–4:00 pm
Bunker Interpretive Center
Explore nature, play games, and get creative!
Jul 16, 2025

January Series in July

12:00 pm
More details on this virtual event will be released this Spring.
Jul 18, 2025

Summer Visit Day

9:30 am–1:00 pm
Spoelhof University Center
Discover Calvin and our beautiful 400-acre campus this summer!
Jul 22–Jul 24, 2025

Preserve | Nature Camp | Week 7: Natural Communities

9:00 am–4:00 pm
Bunker Interpretive Center
Explore nature, play games, and get creative!
Jul 22, 2025

West Michigan Young Alumni Network Happy Hour at New Holland Beer Garden

6:30 pm–8:30 pm
A Tuesday evening with young alums!
Jul 23, 2025

January Series in July

12:00 pm
More details on this virtual event will be released this Spring.
Jul 29–Jul 31, 2025

Preserve | Nature Camp | Multigenerational Outside Art!!

9:00 am–4:00 pm
Bunker Interpretive Center
Here's one for kids of ALL ages!
Jul 31, 2025

Hamilton with Broadway GR (Sold Out)

7:30 pm–10:30 pm
Do not throw away your shot!