.loading__container {
    position: absolute;
    margin: auto;
    height: 50px;
    width: 50px;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.loading__a, .loading__b {
    position: absolute;
    height: 50px;
    width: 50px;
    background-color: #00a9e8;
    opacity: 0.6;
    top: 0;
    left: 0;
    border-radius: 100%;
    animation: 2.1s ease-in-out 0s infinite normal none running;
}

.loading__a {
    animation-name: bounce;
}

.loading__b {
    animation-name: debounce;
}

@keyframes bounce {
     0%, 100% {
         transform: scale(0);
     }

     50% {
         transform: scale(1);
     }
 }

@keyframes debounce {
     0%, 100% {
         transform: scale(1);
     }

     50% {
         transform: scale(0);
     }
 }