/* PRE LOADER */
#div-loader-container{
    background-color: rgba(0, 0, 0, 0.7);
    position: fixed;
    top:0;
    left:0;
    width: 100%;
    height: 100%;
    z-index: 999;
    display: none;
}

#div-box-container{
    margin: auto;
    margin-top: 200px;
    width: 325px;
    border: 3px solid #a3a3a3;
    padding: 12px;
    background-color: lightsteelblue;
    display: flex;
}

#div-box-container .h3 {
    font-weight: bold;
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif;
    color: #333;
    letter-spacing: 1px;
    margin-top: 25px;
    display: inline-block;
    height: 100%;
    margin-left: 35px;
}

#div-loader{
    border: 8px solid #f3f3f3;
    border-top: 8px solid #3498db;
    border-bottom: 8px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    display: inline-block;
}

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