app_common/common.css at master · paleobiodb/app_common · GitHub

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/* CSS definitions for PBDB web applications */


/* Overlay covering the whole page */

.spinner-overlay {
    position: fixed; /* or 'absolute' if 'fixed' doesn't work well in your context */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent black */
    display: flex;
    align-items: center;
    z-index: 1000; /* Ensure it's above everything else */
}

/* The spinning element */

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid #fff;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* The box that tells the user that the app didn't initialize */

.broken-app {
    border: 2px solid black;
    color: red;
    font-size: 24px;
    text-align: center;
    background-color: white;
    width: 300px;
    height: 300px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}