.signinSmallPop .modal-content {
    max-width: 250px;
    margin: auto;
    text-align: center;
    padding: 15px;
    border-radius: 8px;
}
.signinSmallPop .modal-content img {
    margin-bottom: 25px;
    width: 60px;
    animation: spin 2s linear infinite;
}
.signinSmallPop .modal-content h3 {
    color: #212121;
    font-size: 20px;
}
.modal-backdrop.show {
     opacity: .6;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}