.loader {
    margin: auto;
    border: 20px solid #EAF0F6;
    border-radius: 50%;
    border-top: 20px solid #FF7A59;
    width: 200px;
    height: 200px;
    animation: spinner 4s linear infinite;
}

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