body {
background-color: Beige;
opacity: 1;
  color: black;
 font-size:1em;
 text-align:left;
 font-family:Arial Narrow, sans-serif;
}

.bu {
background-color: #C4C4C4;
border: inset 4px; 
text-decoration:underline;
width:160px;
height:20px;
text-align:center;
padding:13px;
margin:5px;
}
.bu:hover {
background-color: darkgray;
border:outset 6px;
}
a {
color: black;
text-decoration:underline;
}
a:hover {
color: #C4C4C4;
}

.flip-card {
  background-color: transparent;
  width: 300px;
  height: 200px;
  border: 1px solid #f1f1f1;
  perspective: 1000px; 
}
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

/* Position the front and back side */
.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;
}

/* Style the front side (fallback if image is missing) */
.flip-card-front {
  background-color: #bbb;
  color: black;
}

/* Style the back side */
.flip-card-back {
  background-color: dodgerblue;
  color: white;
  transform: rotateY(180deg);
}
h4 {
    font-weight: 900;
 font-family:Arial Narrow, sans-serif;
    font-size: 2.5em;
    margin: 1px;
animation-name:hi;
animation-duration: 2s;
animation-iteration-count: infinite;
    line-height: 0em;
    bottom: -5px;
    position: relative;
    z-index: 999;
    text-align: center;
}

@keyframes hi {
0% {
    transform: rotate(
5deg);
}
50% {
    transform: rotate(
-5deg);
}
100% {
    transform: rotate(
5deg);
}
}