.center-middle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.position-center{position:absolute;left:50%;transform:translate(-50%)}.position-middle{position:absolute;top:50%;transform:translateY(-50%)}.text-justify{overflow:hidden;text-align:justify;-moz-text-align-last:justify;text-align-last:justify}.text-justify:after{position:relative;display:inline-block;content:"";width:100%}.layout-flex{display:-moz-flex;display:flex}.ellipsis{white-space:normal;overflow:hidden;text-overflow:ellipsis}@keyframes turn{0%{-webkit-transform:rotate(0deg)}25%{-webkit-transform:rotate(90deg)}50%{-webkit-transform:rotate(180deg)}75%{-webkit-transform:rotate(270deg)}to{-webkit-transform:rotate(1turn)}}#app{overflow:auto}body,html{min-width:0}body{background:#eee}.preview-instruction{width:100%;height:100%;max-width:600px;margin:auto;overflow:auto}.preview-instruction.preview-instruction_auto{max-width:3000px}.preview-instruction .preview-instruction-load{padding-top:10px;padding-right:20px;padding-bottom:10px;text-align:right}.preview-instruction .preview-instruction-content{height:100%}.preview-instruction .video-instruction-pdf{width:100%;margin-top:6px}