form.amp-form-submit-error [submit-error],form.amp-form-submit-success [submit-success],form.amp-form-submitting [submitting]{display:block}textarea[autoexpand]:not(.i-amphtml-textarea-max){overflow:hidden!important}.i-amphtml-textarea-clone{visibility:hidden;position:absolute;top:-9999px;left:-9999px;height:0!important}.i-amphtml-validation-bubble{transform:translate(-50%,-100%);background-color:#fff;box-shadow:0 5px 15px 0 rgba(0,0,0,.5);max-width:200px;position:absolute;display:block;box-sizing:border-box;padding:10px;border-radius:5px}.i-amphtml-validation-bubble:after{content:" ";position:absolute;bottom:-8px;left:30px;width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid #fff}[visible-when-invalid]{color:red}