html,body{ margin: 0; padding: 0; } .pagebox{position:relative;width:1280px; margin:0px auto; }@keyframes gWelCnta{ 0% { transform: rotate(0); } 70% { transform: rotate(360deg); } 80% { transform: rotate(350deg); } 95% { transform: rotate(370deg); } 100% { transform: rotate(360deg); } }