#bodyoverlay{ background-color: black; height: 100%; opacity: 0.8; position: absolute; width: 100%; z-index: 99999;} body{ overflow:hidden; } #messageerror {left: 50%; padding: 20px; top: 50%; transform:translateY(-50%) translateX(-50%); -ms-transform:translateY(-50%) translateX(-50%);-webkit-transform:translateY(-50%) translateX(-50%); -moz-transform:translateY(-50%) translateX(-50%);-o-transform:translateY(-50%) translateX(-50%);border-radius:15px; position:absolute; z-index:9999999; background:#fff;} #messageerror h3 {font-size: 26px; margin: 0 0 10px; padding: 0; float:left; width:100%;} #messageerror p { margin: 7px 0 0; padding: 0; float:left; width:100%;}