.heart{ animation:heart 1s ease infinite; } @keyframes heart { 0% {opacity:0.1;} 100%{opacity:1;} }
.heart{ animation:heart 1s ease infinite; } @keyframes heart { 0% {opacity:0.1;} 100%{opacity:1;} }
原文：https://www.cnblogs.com/413xiaol/p/8178936.html