body {
  margin: 0;
  padding: 0;
  background-color: #000000;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.card {
  padding: 20px;
  width: 340px;
  min-height: 500px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgb(64, 186, 220), #29665a);
  box-shadow: 10px 10px 15px #1f2a3a, -10px -10px 15px #4a6d9e;
  transition: transform 0.4s, box-shadow 0.4s;
  margin: 100px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  float: left;
  transition: opacity 0.4s;
}

h1, h2 {
  color: #ecf0f1;
  text-align: center;
  font-size: 28px;
  margin-top: 20px;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 15px 15px 20px #1f2a3a, -15px -15px 20px #00e5ff;
}

.card-title {
  font-size: 26px;
  font-weight: bold;
  color: #060606;
  margin: 15px 0 10px 0;
  text-align: center;
}

.card-video {
  width: 100%;
  height: 200px; 
  background-color: #34495e;
  border-radius: 15px;
  box-shadow: inset 5px 5px 15px #2c3e50, inset -5px -5px 15px #4a6d9e;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.video {
  width: 100%;
  height: 100%;
  border-radius: 15px;
}

.card-body {
  margin-top: 10px;
  color: #ecf0f1;
  font-size: 18px;
  text-align: center;
}

.footer {
  margin-top: 30px; 
  text-align: center;
  font-weight: bold;
  font-size: larger;
  color: #ecf0f1;
}

.by-name {
  font-weight: 700;
}