.button{
    border: medium solid #111;
    color: white;
    text-align: center;
    padding: 15px 32px;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pinter;
    background-color: #111;
    height: 200px;
    width: 100%;
    }
    html{
        scroll-behavior: smooth;
    }
    #txt1{
        font-size: 42px;
        display: block;
        background-color: #111;
        width:  100%;
        padding: 10px 0px 10px 0px;
        text-align: center;
        margin: auto;
        position: sticky;
        color: #0ff;

    }
    body{
        background-color: #111;
    }


.holographic-card {
  width: 200px;
  height: 100px;
  background: #111;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  transition: all 0.5s ease;
  border: 1px solid #0ff;
}

.holographic-card h2 {
  color: #0ff;
  font-size: 2rem;
  position: relative;
  z-index: 2;
}

.holographic-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    0deg, 
    transparent, 
    transparent 30%, 
    rgba(0,255,255,0.3)
  );
  transform: rotate(-45deg);
  transition: all 0.5s ease;
  opacity: 0;
}

.holographic-card:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0,255,255,0.5);
}

.holographic-card:hover::before {
  opacity: 1;
  transform: rotate(-45deg) translateY(100%);
}
#footer{
    color:#0ff
}