body {
      text-align: center;
      font-size: 20px;
      
  background: linear-gradient(135deg, #FFD700 0%, #1E3A8A 100%);
  color: white;
  font-family: 'Comic Sans MS', cursive, sans-serif; 

    }

.row {
  display: flex;
  justify-content: center; 
  margin: 10px 0; 
}
.col-xs-3 {
    background: cadetblue;
    margin: 5px;
    height:100px;
    width:100px;
    display:inline-block;
   background-size: cover;
  


}
footer {
      margin-top: 30px;
      padding: 10px;
      background-color: black;
      color: white;
    }
.container {
  background: rgba(0, 0, 0, 0.8);
  border: 5px solid yellow;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0px 0px 20px rgba(255, 215, 0, 0.8);
}