@media (min-width: 768px ) {
    .modal-dialog {
        width: 100%;
    }

    .modal_size {
        min-width: 48rem;
        min-height: 32rem;
    }

    .window-center{
        margin-left: 17%;
    }

    .flash_container {
        text-align: center;
        margin-left: 0px;
        margin-right: 0px;
        margin-top: 0px;
    }
}

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

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #d5e0ef;
    border-top: 5px solid #02b875;
    border-radius: 50%;
    animation: spinner 1.5s linear infinite;
}

.window-center {
    margin-right: 25%;
    margin-left: 25%;
    width: 50%;
    height: 50%;
    position: fixed;
    top: 35%;
    left: 25%;
    z-index: 100;
}

.flash_container {
    text-align: center;
    margin-left: 30rem;
    margin-right: 30rem;
    margin-top: 5px;
}