/************************************************************************
 *  Copyright 2019-2023 Dalhousie Blockchain Lab (https://blockchain.cs.dal.ca/)
 *
 *  Author: Christian G. Liu.
 *
 *  The TABS+ software is subject to a private software license, with its
 *  terms and conditions defined by the Dalhousie Blockchain Lab (https://blockchain.cs.dal.ca/).
 *  As an intellectual property of the Dalhousie Blockchain Lab, the permissions and usage of
 *  this software are granted under the lab's discretion. At present, TABS+ is designated for academic research purposes.
 *  The public dissemination and duplication of the software are currently prohibited.
 ***********************************************************************/

.spinner {
    width: 40px;
    height: 40px;

    position: relative;
    margin: 100px auto;
}

.double-bounce1, .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #333;
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;

    -webkit-animation: sk-bounce 2.0s infinite ease-in-out;
    animation: sk-bounce 2.0s infinite ease-in-out;
}

.double-bounce2 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

@-webkit-keyframes sk-bounce {
    0%, 100% { -webkit-transform: scale(0.0) }
    50% { -webkit-transform: scale(1.0) }
}

@keyframes sk-bounce {
    0%, 100% {
        transform: scale(0.0);
        -webkit-transform: scale(0.0);
    } 50% {
          transform: scale(1.0);
          -webkit-transform: scale(1.0);
      }
}