.h_uyari_mesaj{ width:120px; height:50px; background:#ff7e1f; border-radius:4px; position:absolute; padding:5px; text-align:center; z-index:2; font-size:12px; margin:-40px 0px 0px 53px; } .h_uyari_mesaj { animation: MoveUpDown 1s ease-in infinite; } @keyframes MoveUpDown { 0 { top: 0px; } 20% { top: 2px; } 40% { top: 6px; } 60% { top: 4px; } 80% { top: 2px; } 100% { top: 0px; } }