CSS
html, body {
height: 100%;
width: 100%;
background: linear-gradient(to left, #ff7e5f , #feb47b);
}
.wrap {
position: absolute;
top: 50%;
left: 50%;
margin-right: -50%;
transform: translate(-50%, -50%);
}
.box1,
.box2,
.box3 {
display: inline-block;
margin: 5px;
height: 20px;
width: 20px;
background: #fff;
box-shadow: 2px 2px 0 0 #d35400;
animation: loading, shadow;
animation-duration: 2s;
animation-timing-function: ease-in-out;
animation-iteration-count: infinite;
}
.box1 {
animation-delay: 1s;
}
.box2 {
animation-delay: 1.3s;
}
.box3 {
animation-delay: 1.6s;
}
@keyframes loading {
0%,
100% {
position: relative;
top: 0;
left: 0;
}
30% {
left: -5px;
top: -10px;
}
55% {
top: 0;
left: 0;
}
}
@keyframes shadow {
30% {
box-shadow: 7px 12px 0 0 #d35400;
}
55% {
box-shadow: 2px 2px 0 0 #d35400;
}
}
