.app-card {
    background: #FFF;
    border: 1px solid #E8E8EE;
    border-radius: 16px;
    position: relative;
    display: block;
}
.app-hr {
    color: #E8E8EE;
}
.app-spinner {
    position: relative;
    pointer-events: none;
}
.app-spinner::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: -0.125em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: .75s linear infinite spinner-border;
    z-index: 1;
}
.app-spinner-small::after {
    border: 1px solid currentColor;
    border-right-color: transparent;
}
@keyframes spinner-border {
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}