body{margin:0 auto;max-width:850px}main{margin-top:100px}ul{list-style:none}img{width:24px;height:24px}footer{color:#666;font-size:14px}.center-footer{margin:30px auto}.loader{position:relative;margin:0 auto;width:60px;height:60px}.loader div{box-sizing:border-box;display:block;position:absolute;width:44px;height:44px;margin:6px;border:6px solid #eee;border-radius:50%;animation:loader_animation 1.2s cubic-bezier(.5,0,.5,1) infinite;border-color:#eee transparent transparent transparent}.loader div:nth-child(1){animation-delay:-.45s}.loader div:nth-child(2){animation-delay:-.3s}.loader div:nth-child(3){animation-delay:-.15s}@keyframes loader_animation{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}