.loading {
color: #999999;
&:after {
overflow: hidden;
display: inline-block;
vertical-align: bottom;
animation: ellipsis steps(4, end) 1500ms infinite;
content: '\2026'; /* ascii code for the ellipsis character */
width: 0px;
}
}
@keyframes ellipsis {
to {
width: 1.25em;
}