.background-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    opacity: 0.5; /* Adjust opacity as needed */
}

#video-card {
  width: 100%;
  margin: 0 auto;
}

#copyright-footer {
  bottom: auto;
  text-align: center; 
  position: absolute; 
  width: 100%;
}

@media (min-width: 992px) {
  #video-card {
    width: 724px !important;
    max-width: 100%;
  }
  #copyright-footer {
    bottom: auto;
    text-align: center; 
    position: absolute; 
    width: 100%;
  }
}

.chat-cardpos {
  width: fit-content;
  margin: 0 auto;
  margin-top: 20vh;
  margin-right: 15vh;
}

.dd-custom {
    color: white;
    transition: all 0.3s ease-in;
}

.dd-custom:hover {
    color: black;
    background-color: white;
}

.come_animation {
  animation: cardMove 1.5s ease-in-out forwards;
}

.custom-card-style {
  background-color: rgb(50, 50, 53);
  border: rgb(0, 0, 0) 3px solid !important;
  box-shadow: 0 0px 12px rgb(109, 109, 109);
  color: white;
}

.input-box-dark {
  background-color: black;
  color: white;
  text-shadow: 0 1px rgb(255, 255, 255);
}

.text-style {
  color: white;
  text-shadow: 0 2px rgb(109, 109, 109);
  text-align: center;
}

.chat-bg-style {
  box-shadow: 0 2px 20px rgb(109, 109, 109);
}

.video-cardpos {
  width: fit-content;
  margin: 0 auto;
  margin-left: 10vh;
}

.ctm-btn {
  background-color: black;
  color: white;
  --bs-btn-border-color: rgb(255, 255, 255);
  --bs-btn-active-bg: black;
  --bs-btn-active-border-color: rgb(255, 255, 255);
  box-shadow: 0 0px 12px rgb(109, 109, 109);
}

.ctm-btn:hover {
  background-color: white;
  color: black;
  --bs-btn-hover-border-color: black;
  --bs-btn-active-color: black;
  --bs-btn-active-border-color: black;
  --bs-btn-active-bg: white;
  box-shadow: 0 0px 12px rgb(109, 109, 109);
}

.presentation-title {
  margin-right: 13%; 
  margin-top: 7%;
}

.hide-card {
  visibility: hidden;
}

.center-maincard {
  width: fit-content;
  margin: 0 auto;
  margin-top: 10%;
}

.login-style {
  width: fit-content;
  margin: 0 auto;
  margin-top: 35vh;
  color: white;
}

.edit-style {
  width: fit-content;
  margin: 0 auto;
  margin-top: 10vh;
  color: white;
}

.center-list {
  display: flex; 
  justify-content: center; 
  align-items: center;
  width: fit-content; 
  margin-top: 10%;
  margin-bottom: 10%;
  margin-left: 50%;
  text-align: center;
}

.card-merge {
  margin: 0.1%;
}

.no-marker {
  list-style-type: none;
}

@keyframes cardMove {
  from {
    transform: scale(0.5);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}