.italy {
    display: flex;           
    width: 18ex;               
    height: 12ex;                
    border: 1px solid #333;      
}
.italy div {
    flex: 1;}
.italy div:nth-child(1) { background-color: green; }
.italy div:nth-child(2) { background-color: white; }
.italy div:nth-child(3) { background-color: red; }
div.kadai3 {
  background-color: #0bd;
  width: 320px; 
  height: 280px; 
}

div.kadai3 img {
  float: right;
  margin: 15px 15px 0 0; 
}

div.kadai3 p {
  font-size: 48px;      
  margin-top: 40px;      
  margin-bottom: 20px;   
  margin-left: 40px;    
  line-height: 1.3;      
}

.tk {
  color: red;
}