``` @-webkit-keyframes imgscale{ 0%{-webkit-transform:scale(1);transform:scale(1);} 50%{-webkit-transform:scale(1.3);transform:scale(1.3);} 100%{-webkit-transform:scale(1);transform:scale(1);} } /*banner背景放大*/ .area-yq .do-area-bg .do-area-bg-conter{animation-name: imgscale;animation-duration: 30s;animation-timing-function: linear;animation-iteration-count:infinite;} ```