#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}.text-center{margin:0 auto;text-align:center}.form-signin{width:400px;background-color:azure;padding:12px;margin:0 auto;border:1px solid #f3f1ef}.form-signin .form-control{margin-bottom:8px}.answer-dialog{width:350px;position:absolute;bottom:10px;right:10px;z-index:100}.shadow{box-shadow:0 -1px 21px -1px rgba(0,0,0,.75)}