.page-header {
    height: 100vh;
    background-position: center center;
    background-size: cover;
    margin: 0;
    padding: 0;
    border: 0;
    display: flex;
    align-items: center;
}

.header-filter {
    position: relative;
}

.header-filter::before {
    background: rgba(0, 0, 0, 0.3);
}

.header-filter:before, .header-filter:after {
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
    left: 0;
    top: 0;
    content: "";
}

.header-filter .container {
    z-index: 2;
    position: relative;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    /* background-color: #b61924; */
    background: rgba(0,0,0,0.8);
    background-image: url('../imgs/login-bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50% 50%;
  }