.paidMsg {
    position: absolute;
    top: 10px;
    left: -40px;
    width: 150px;
    height: 50px;
    font: 40px;
    color: #fff;
    text-align: center;
    line-height: 50px;
    transform-origin: center;
    transform: rotate(-45deg);
    box-shadow: 0 0 30px #777;
}

.paid {
    background-color: #30a034;
}

.loading_box {
    position: fixed;
    height: 100%;
    top: 0;
    bottom: 0;
    width: 100%;
    left: 0;
    z-index: 20000;
    right: 0;
    display: flex;
    align-items: center;
    text-align: center;
    display: none;
    background: #000;
    opacity: 0.5;
}

.loading_box div {
    text-align: center;
    flex: 1;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

.spinner-border {
    display: inline-block;
    width: 5rem;
    height: 5rem;
    vertical-align: text-bottom;
    border: 0.5em solid currentColor;
    border-right-color: transparent;
    border-radius: 50% !important;
    -webkit-animation: spinner-border .75s linear infinite;
    animation: spinner-border .75s linear infinite;
}

.spinner-border-sm {
    width: 5rem;
    height: 5rem;
    border-width: 5rem;
}