html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
    direction: rtl;
    margin-bottom: 60px;
    background: #000;
    color: #fff;
    overflow-x: hidden;
    position: relative;
}

/* لایه ذرات */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

    /* هر ذره */
    .particles span {
        position: absolute;
        width: 4px;
        height: 4px;
        background: rgba(255, 255, 255, 0.25);
        border-radius: 50%;
        animation: floatUp 12s linear infinite;
    }

/* انیمیشن */
@@keyframes floatUp {
    0% {
        transform: translateY(100vh);
        opacity: 0;
    }

    10% {
        opacity: 0.4;
    }

    100% {
        transform: translateY(-10vh);
        opacity: 0;
    }
}



.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}
.ModerFooter{
    width:100%;
    height:300px;
    background-color:black;
    color:white;
    position: absolute;

}
.linefooter{background-color:yellow;width:100%;height:2px;}