#kalendes-widget-container{

}
#kalendes-loader {
    border: 2px solid #f3f3f3; /* Light grey */
    border-top: 2px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: kalendes-spin 1s ease-in-out infinite;
    margin:auto;
}
@keyframes kalendes-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}