#messagebox_overlay, #messagebox_overlay * { -webkit-box-sizing  : border-box; -moz-box-sizing: border-box; box-sizing: border-box;}
#messagebox_overlay *:focus { outline: 0}
#messagebox_overlay { position: fixed; top: 0px;left: 0px; width: 100%;height: 100%}
#messagebox { position : fixed; top: -100%}
#messagebox_buttons button::-moz-focus-inner { padding: 0;border: 0}
/* Overlay */
#messagebox_overlay {background-color: rgba(255,255,255,0.6)}

/* MessageBox Wrapper */
#messagebox {font-family : "Helvetica Neue",Helvetica,Arial,sans-serif; font-size: 14px; max-height: 90%; max-width: 90%; min-width: 300px; color: #666; background-color: #fcfcfc; border: 1px solid #c8c8c8; box-shadow: 0px 2px 4px #a0a0a0}
/* Content */
#messagebox_content {padding: 20px; text-align:center}

/* Buttons */
#messagebox_buttons {background-color: #f5f5f5; border-top: 1px solid #c8c8c8; padding: 10px 20px; text-align: center;}
#messagebox_buttons button {font-size : 12px; font-weight: normal; text-align: center; min-width: 60px; margin: 0px 4px; padding: 8px 10px; cursor: pointer; color: #404040; background-color: #fff; border: 1px solid #c0c0c0; border-radius: 5px}
#messagebox_buttons button:hover {color: #202020; background-color: #f0f0f0;}
#messagebox_buttons button:active {background-color : #e6e6e6; border: 1px solid #a0a0a0; box-shadow: inset 0px 0px 6px #d0d0d0}