.loader {
    width: 48px;
    height: 48px;
    border: 2px solid #FFF;
    border-radius: 50%;
    display: inline-block;
    position: relative;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}
.loader::after,
.loader::before {
    content: '';
    box-sizing: border-box;
    position: absolute;
    left: 0;
    top: 0;
    background: #FF3D00;
    width: 6px;
    height: 6px;
    transform: translate(150%, 150%);
    border-radius: 50%;
}
.loader::before {
    left: auto;
    top: auto;
    right: 0;
    bottom: 0;
    transform: translate(-150%, -150%);
}