input[required]:invalid+label{display:inline-block}input[required]:valid+label{display:none}.spinner{animation:rotate 2s linear infinite}.spinner .path{stroke:currentColor;stroke-linecap:round;animation:dash 1.5s ease-in-out infinite}@keyframes rotate{to{transform:rotate(1turn)}}@keyframes dash{0%{stroke-dasharray:1,150;stroke-dashoffset:0}50%{stroke-dasharray:90,150;stroke-dashoffset:-35}to{stroke-dasharray:90,150;stroke-dashoffset:-124}}