#alert_div {
    position: fixed;
    top: 10%;
    left: 50%;
    width: 300px;
    text-align: center;
    margin-left: -150px;
    border-radius: 10px;
    display: none;
    color: #a94442;
    background-color: #fac543;
    padding: 10px 0;
    z-index: 9999;
    font-weight: normal;
    border: 1px solid #d04d0d;
    font-size: 80%;
}

#success_div {
    position: fixed;
    top: 10%;
    left: 50%;
    width: 300px;
    text-align: center;
    margin-left: -150px;
    border-radius: 10px;
    display: none;
    padding: 10px 0;
    z-index: 9999;
    font-weight: normal;
    font-size: 80%;
}

#loader {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: #ffffff45;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

#loader img {
    width: 150px;
    height: 150px;
    margin: -75px 0 0 -75px;
    left: 50%;
    top: 50%;
    position: absolute;
}