all 0.5s ease-out; name must start with a alpha character, but found a number

[jellyfish9]

多个css报错 flutter 3.0.5
line 2285, column 22: name must start with a alpha character, but found a number
transition: all 0.5s ease-out;

line 2318, column 55: expected ), but found ,
-webkit-mask-image: -webkit-radial-gradient(circle, #fff 100%, #000 100%);

line 5340, column 30: expected ), but found %
I/flutter (10580): 5340 │ transform: translate3d(-25%, 0, 0);

line 2188, column 29: expected ), but found %
I/flutter (10580): 2188 │ transform: translateX(-50%) translateY(-50%);