background: #16a487; }
.exercise .buttons input.check {
background: #ed7831; }
+.exercise .instruction {
+ display: block;
+ margin: .3em;
+ color: green;
+ font-size: .9em; }
+.exercise .instruction:before {
+ content: "☞ "; }
.luki .question-piece {
background-color: #d4d6d8;