.flags {
font: normal normal 500 small arial, sans-serif;
margin:0 auto;
}

.flags img {
border: 1px groove #000000;
}
.correct {
font-weight: bold;
font-size: small;
color: #00B300;
}
.incorrect {
text-decoration: line-through;
color: #F00;
}
.actual {
font-weight: bold;
font-size: small;
}
.wrong {
text-decoration: line-through;
}