.my_icon_wrapper {
    float: left; 
    width: 40px; height: 40px;
    text-align: center; 
    margin-right: 10px;
    margin-top: 10px;
}

.ip-addr input { width: 80%}

.my_ajax-loader {
    position: absolute;
    left: 50%;
    top: 50%;
    margin-top: -32px;
    margin-left: -32px;
    display: block;
}