CSS代码1：

/*头像呼吸光环和鼠标悬停旋转放大*/
.avatar{border-radius: 50%; animation: light 4s ease-in-out infinite; transition: 0.5s;}.avatar:hover{transform: scale(1.15) rotate(720deg);}@keyframes light{0%{box-shadow: 0 0 4px #f00;} 25%{box-shadow: 0 0 16px #0f0;} 50%{box-shadow: 0 0 4px #00f;} 75%{box-shadow: 0 0 16px #0f0;} 100%{box-shadow: 0 0 4px #f00;}}

CSS代码2：

/*头像旋转*/
.avatar{
-webkit-transition:0.4s;
-webkit-transition:-webkit-transform 0.4s ease-out;
transition:transform 0.4s ease-out;
-moz-transition:-moz-transform 0.4s ease-out;
}
.avatar:hover{
transform:rotateZ(360deg);
-webkit-transform:rotateZ(360deg);
-moz-transform:rotateZ(360deg);
}

截图