#particles-js {
    width: 100%;
    height: 100%;
    background-color: #01428C;
    background-image: url('');
    background-size: cover;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
}

#particles-js.hide-me {
    display: none;
}