.loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #fE5000;
    display: block; 
    margin: 0 auto;
    
width: 120px;
height: 120px;
-webkit-animation: spin 2s linear infinite; /* Safari */
animation: spin 2s linear infinite;
}
@-webkit-keyframes spin {
0% { -webkit-transform: rotate(0deg); }
100% { -webkit-transform: rotate(360deg); }
}

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