loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 0px;
    top: 0px;
    min-width: 100vw;
    height: 100vh;
    background-color: var(--color-background);
    z-index: 1000;
}

loading > loader {
    border: 10px solid darkgray;
    border-radius: 50%;
    border-top: 10px solid #3498db;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 1s ease-in-out infinite;
    animation: spin 1s ease-in-out infinite;
    z-index: 1001;
}

loading > header {
    margin-top: 20px;
    font-size: 20px;
    color: var(--color-text);
}

/* Safari */
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

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