body{background:linear-gradient(135deg,#667eea,#764ba2 25%,#f093fb 50%,#f5576c 75%,#4facfe);background-size:400% 400%;animation:gradientShift 15s ease infinite}@keyframes gradientShift{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.sport-icon-float:nth-child(odd){animation:float 4s ease-in-out infinite}.sport-icon-float:nth-child(2n){animation:float 4s ease-in-out infinite reverse}