@keyframes triangle-skew-spin{25%{transform:perspective(100px) rotateX(180deg) rotateY(0)}50%{transform:perspective(100px) rotateX(180deg) rotateY(180deg)}75%{transform:perspective(100px) rotateX(0) rotateY(180deg)}100%{transform:perspective(100px) rotateX(0) rotateY(0)}}.triangle-skew-spin>div{width:0;height:0;border-left:20px solid transparent;border-right:20px solid transparent;border-bottom:20px solid #6b6f82;animation:triangle-skew-spin 3s 0s cubic-bezier(.09,.57,.49,.9) infinite}