.loader {
    margin-bottom: 50%;
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    border-bottom: 16px solid green;
    width: 120px;
    height: 120px;
    -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);
    }
}

.background-loader {
    background-color: #000000b3;
    width: 100%;
    position: absolute;
    height: 200%;
    z-index: 1000000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.img-loader {
    position: absolute;
    width: 50%;
    top: 20px;
    left: 25%;
    text-align: center;
    align-items: center;
}
.show-loader {
    display: block;

}
.remove-loader {
    display: none;
}