.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
  }

  @media (min-width: 768px) {
    .bd-placeholder-img-lg {
      font-size: 3.5rem;
    }
  }

  .b-example-divider {
    width: 100%;
    height: 3rem;
    background-color: rgba(0, 0, 0, .1);
    border: solid rgba(0, 0, 0, .15);
    border-width: 1px 0;
    box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
  }

  .b-example-vr {
    flex-shrink: 0;
    width: 1.5rem;
    height: 100vh;
  }
  .text-bg-dark {
color: #fff ;
background-color: RGBA(var(--bs-dark-rgb), var(--bs-bg-opacity, 1));
 }
  .bi {
    vertical-align: -.125em;
    fill: currentColor;
  }

  .nav-scroller {
    position: relative;
    z-index: 2;
    height: 2.75rem;
    overflow-y: hidden;
  }

  .nav-scroller .nav {
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 1rem;
    margin-top: -1px;
    overflow-x: auto;
    text-align: center;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }



  .bd-mode-toggle {
    z-index: 1500;
  }

  .bd-mode-toggle .dropdown-menu .active .bi {
    display: block ;
  }
  .bg-body-tertiary {
    --bs-bg-opacity: 1;
    background-color: rgba(var(--bs-tertiary-bg-rgb), var(--bs-bg-opacity)) ;
}
.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}
::after, ::before {
    box-sizing: border-box;
}
user agent stylesheet
div {
    display: block;
    unicode-bidi: isolate;
}
body {
    margin: 0;
    font-family: var(--bs-body-font-family);
    font-size: var(--bs-body-font-size);
    font-weight: var(--bs-body-font-weight);
    line-height: var(--bs-body-line-height);
    color: var(--bs-body-color);
    text-align: var(--bs-body-text-align);
    background-color: var(--bs-body-bg);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}
.logo1{
  width: 5rem ;
  margin: auto;
  position: auto;
  padding: auto;
  bottom: 0;
}