.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #FFF;
    border-bottom-color: #FF3D00;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    }

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

#spinner_wrapper{
    display: none;
    height: 100%;
    width: 100%;
    position: fixed;
    top:0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.225);
    align-items: center;
    justify-content: center;
}