body {
    font-family: 'Nunito', sans-serif;
}
 .loader {
     border: 3px solid #f3f3f3;
     border-radius: 50%;
     border-top: 3px solid #3498db;
     width: 20px;
     height: 20px;
     -webkit-animation: spin 2s linear infinite; /* Safari */
     animation: spin 2s linear infinite;
 }
/* Safari */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}