.pulsate{background:linear-gradient(-45deg,#ddd,#f0f0f0,#ddd,#f0f0f0) 0 0/400% 400%;animation:2.25s infinite Gradient}@keyframes Gradient{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.fpo{margin:25% auto;display:block;position:relative}