.center {
    margin-left: auto;
    margin-right: auto;
}

.text-right {
    text-align: center;
}

.footnote {
    font-size: 0.8em;
}

.octicon {
    font-size: inherit;
}

.loading {
    height: 28px;
    width: 28px;
    animation: rotate 1s infinite linear;
    border: 6px solid #0275d8;
    border-right-color: transparent;
    border-radius: 50%;
}

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