body {
  font-family: Arial, sans-serif;
  margin: 0;
}

header {
  background-color: #333;
  color: white;
  padding: 1rem;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav li {
  margin-right: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
  padding: 0.5rem;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

section {
  margin-bottom: 2rem;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  text-align: left;
  padding: 0.5rem;
}

th {
  background-color: #333;
  color: white;
}

table {
            border-collapse: collapse;
            width: 100%;
        }

        th, td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: left;
        }

        th {
            background-color: #4CAF50;
            color: white;
        }

        tr:nth-child(even) {
            background-color: #f2f2f2;
        }

        @media only screen and (max-width: 600px) {
            table, tbody, tr, th, td {
                display: block;
            }

            th {
                text-align: center;
            }

            td {
                border: none;
                border-bottom: 1px solid #ddd;
                position: relative;
                padding-left: 50%;
            }

            td:before {
                position: absolute;
                left: 6px;
                content: attr(data-label);
                text-align: left;
            }
        }


.container {
            background-color: #f5f5f5;
            padding: 10px;
            border-radius: 5px;
            margin-bottom: 10px;
        }
        .container h2 {
            margin-top: 0;
            margin-bottom: 5px;
        }
        .container ul {
            margin-left: 20px;
            margin-bottom: 5px;
        }.container li {
            list-style: none;
            margin-bottom: 5px;
        }
        .container .highlight {
            font-weight: bold;
            color: red;
        }


.body {
  font-family: Arial, Helvetica, sans-serif;
}

.h {
animation-name:An;
animation-duration:5s;
}
.flip-card {
  background-color: transparent;
  width: 300px;
  height: 300px;
  perspective: 1000px;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

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

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;

}

.flip-card-front {
  background-color:#90EE90;
  color: black;
}

.flip-card-back {
  background-color: #FFB6C1;
  color: white;
  transform: rotateY(180deg);
}