.loader{height:30px;width:30px;position:relative}.block{height:5px;width:5px;background-color:#000;position:absolute;opacity:0}.b_1{top:0;left:0;animation:load .8s infinite;animation-delay:0}.b_2{top:0;left:20px;animation:load .8s infinite;animation-delay:.1s}.b_3{top:0;right:0;animation:load .8s infinite;animation-delay:.8s}.b_4{top:20px;right:0;animation:load .8s infinite;animation-delay:.3s}.b_5{bottom:0;right:0;animation:load .8s infinite;animation-delay:.4s}.b_6{bottom:0;left:20px;animation:load .8s infinite;animation-delay:.5s}.b_7{bottom:0;left:0;animation:load .8s infinite;animation-delay:.6s}.b_8{top:20px;left:0;animation:load .8s infinite;animation-delay:.7s}@keyframes load{0%{opacity:1}85%{opacity:0}to{opacity:1}}