.global-activity-indicator { position: fixed; top: 0; left: 0; right: 0; background-color: rgba(0, 0, 0, 0.3); max-height: 22px; text-shadow: none; color: white; font-size: 20px; font-weight: 300; width: 200px; padding: 20px; margin: auto; } .slider{ overflow-y: hidden; transition-property: all; transition-duration: .5s; transition-timing-function: cubic-bezier(0, 1, 0.5, 1); } .slider.closed { max-height: 0; padding: 0 20px; } .validation-summary { font-weight: bold; font-size: 110%; }