.viewz-loading {
    position: relative;
    display: block;
    min-height: 100px;
}

.viewz-loading::after {
    content: '';
    box-sizing: border-box;
    position: fixed;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    margin-left: -10px;
    border-radius: 50%;
    border: 2px solid #ccc;
    border-top-color: #333;
    animation: bamz_spinner .6s linear infinite;
}

@keyframes bamz_spinner { to {transform: rotate(360deg);} }