.pswp__bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    will-change: opacity;
    background: none;
}.ang-lg-ring {
display: inline-block;
position: relative;
width: 56px;
height: 56px;
}
.ang-lg-ring div {
box-sizing: border-box;
display: block;
position: absolute;
width: 50px;
height: 50px;
margin: 3px;
border: 3px solid #ddd;
border-radius: 50%;
animation: ang-lg-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
border-color: #ddd transparent transparent transparent;
}
.ang-lg-ring div:nth-child(1) {
animation-delay: -0.45s;
}
.ang-lg-ring div:nth-child(2) {
animation-delay: -0.3s;
}
.ang-lg-ring div:nth-child(3) {
animation-delay: -0.15s;
}
@keyframes ang-lg-ring {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
    .ang-lg-ring div{border-color: #dddddd transparent transparent transparent;}