主题头像呼吸灯

/*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;}
}