css - Why does bootstrap use translate3d for their .nav-collapse -

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a recent ios 7.0 bug resulted in nav menu not showing... has lead me question.

why bootstrap use translate3d on mobile styles collapsable menu?

@media (max-width: 480px) {     .nav-collapse {         -webkit-transform: translate3d(0, 0, 0);      } }

i had override menu show on ios7.

@media (max-width: 480px) {     .nav-collapse {         -webkit-transform: none;      } }

this forces element rendered on separate compositing layer in gpu, making animations faster.

for more information, see here


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