.pdb_loading.spinner{margin:100px auto;width:50px;height:30px;text-align:center;font-size:10px;position:absolute;top:50%;left:50%;margin:-15px 0px 0px-25px}.pdb_loading.spinner>div{background-color:#555;height:100%;width:6px;display:inline-block;-webkit-animation:stretchdelay 1.2s infinite ease-in-out;animation:stretchdelay 1.2s infinite ease-in-out}.pdb_loading.spinner.rect2{-webkit-animation-delay:-1.1s;animation-delay:-1.1s}.pdb_loading.spinner.rect3{-webkit-animation-delay:-1.0s;animation-delay:-1.0s}.pdb_loading.spinner.rect4{-webkit-animation-delay:-0.9s;animation-delay:-0.9s}.pdb_loading.spinner.rect5{-webkit-animation-delay:-0.8s;animation-delay:-0.8s}@-webkit-keyframes stretchdelay{0%,40%,100%{-webkit-transform:scaleY(0.4)}20%{-webkit-transform:scaleY(1.0)}}@keyframes stretchdelay{0%,40%,100%{transform:scaleY(0.4);-webkit-transform:scaleY(0.4)}20%{transform:scaleY(1.0);-webkit-transform:scaleY(1.0)}}