, 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); })(); Contact Us About Calvin | 麻豆区

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Contact Us

For information about programs in sustainability and the environment, or volunteer opportunities, please contact:

Tom Hartzell

Tom Hartzell

Campus Sustainability Program Coordinator
616-526-6238
jennifer2

Jennifer Ambrose

Director of Facilities and Environmental Health and Safety
616-526-6342
Randall DeJong

Randall DeJong

Associate Professor, Environmental Core Fellow
616-526-7625
Matthew Heun

Matthew Heun

Professor, Director, Sustainability Designation
616-526-6663
Brett Hoogewind

Brett Hoogewind

Associate Director of Facilities鈥揗echanical, Energy Management and Sustainability
(616)-201-6793
Mark Muyskens

Mark Muyskens

Professor, Environmental Core Fellow
616-526-6269
Ryan Rooks

Ryan Rooks

Director of Campus Recreation and Outdoor Programs
616-526-7541
James Skillen

James Skillen

Professor, Director, Calvin Ecosystem Preserve & Native Gardens
616-526-7546
Dave Warners

Dave Warners

Professor, Plaster Creek Stewards Director
616-526-6820
Julie Wildschut

Julie Anne Wildschut

Assistant Professor, Environmental Core Fellow
616-526-6062

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