The fact it's a Tony Stark theme makes me love it completely. But I don't like the alignment. If the third line was lower-case and had more color, I think it'll be amazing.
I love the colouring and the variety of different fonts and sizes. Personally, I would make one or more of the lines a bit wider, because I'm not a big fan of the sort of square-ish shape of the whole thing, but other than that I love it.
God, I love all the colors. Every single line in your signature has gorgeous gradients, and I love the font choice. It really is lovely. (On a totally unrelated note, you're also fantastic at making avatars/icons.)
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This is my first theme on Mibba. I'm not sure if I like it, and I think I may change it again tonight. Y/N/CC?
I actually quite like your theme so, yes! Maybe making it a little bigger would be nice, I had to squint a little to read the second line so bigger may help that.
I don't think you should change a thing about your theme because I think I'm in love. Everything about it is perfect. The gradient is lovely, the words are incredible, and I love your juxtaposition of fonts in the last two lines. Unf.
I loved the first one I saw from you and I love this one as well. I'm happy you love using my avatars/icons as well. The gradients/colors are gorgeous and the second line is pretty. It's a wonderful theme.
Yes, I really like the variety of fonts and italics/non italics. The gradients are also really pretty too. I would suggest putting in a little more pink, because then it would match the avatar a little more and it would make some of the lines stand out a bit more. It's really good though.