#page-loader {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.8);
    text-align: center;
}

.loader {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 50px;
    height: 50px;
    margin: -25px 0 0 -25px;
    border: 6px solid #5bc1ac;
    border-radius: 50%;
    border-top: 6px solid #ffffff;
    animation: spin 1s linear infinite;
}

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