.loader {
    border: 8px solid #f3f3f3;
    border-top: 7px solid #E7475E;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.row.hide {
    display: none;
}