.true {cursor: pointer; margin-left: 30px;}

.trueactive {color: #6aa84f; font-weight: bold;}

.trueactive::after {content: url("https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgvqhln93HcY6Y8ROMrcalprVTyQMl7nsqP5YmTGr-U5yxXRxtEO_2iCh-4eG1hNoTi4CBcyNs_PQgzFisgfJPSo1VJfUXdVaw9O2ziq1f-xf8FNaOr94rFt6aeu1qaS9n3lwQPTvxE2dIG3NWA-U52wf_7sDRVauSevNBi7QRQ8Z2DdhSK9H_NjG3h/s25/true.png");}

.false {cursor: pointer; margin-left: 30px;}

.falseactive {font-weight: bold;}

.falseactive::after {content: url("https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4wl80eoa-keE_hnq9Yl_st2gHQ5ov5Lz4kN6uVp31Q9O_qxlsTkYS2-ZerPPdeOKWFmB8GDPpmV4316pkH5HHb-6cDCda_HTMQtQ67WjTXW-xSKV_BUaoCMoxoXzfz_q4ky0on7gIW6hr_rdlZ-I6jDQECahLNr-q6a1r7Vu6k9gUMnIpLSFTS4--/s26/false.png");}

.twinkle {}

.twinkle::after {content: url("https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEga88dd6wxO7CL3Wjp4az9S4mtU5gFWdB1quG1oNWA3KIgBfrf-2I9GDb2GiypN-vVFwOJaDGIQu8CKmaCvG6GKOTX4XPPUR5tfs0XXQ-q2lMPMaho7hyphenhyphenLSJpECd6e3JvXiTWAKCTlQ0XlB-GgJXwB6jOz2V_bL1uU5RLPoxQeEeu0FefOSnv5x2rSWzfs/s25/close-eye.png");}

.twinkleactive {}

.twinkleactive::after {content: url("https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6FvPJRKyka65qs31I1FneurnLLvg6cBaKRT-WuP9a_bqS16dICwGb0EHvRaJ1a4T6xLtfhk6hbRb9KlYL0uEu0Ok9witEg9yKIPlPVJLL_2iMU-W1Y_5lzmBl-FiQqU7EqPbTxYPUECV0KZwg5104qzeJudaV5cWp4MbVOGUaiEM7a5cOywjk1Mizacg/s25/open-eye.png");}

summary {
  font-weight: bold;
  cursor: pointer;
  list-style-type: none; /* Firefox */
}

summary::-webkit-details-marker {
  font-weight: bold;
  cursor: pointer;
  display: none; /* Chrome */
}

.collapsible {
  cursor: pointer;
  padding: 5px;
  width: 100%;
  text-align: center;
}

.collapsible:hover {
  font-weight: bold;
}

.active {
  font-weight: bold;
  /* text-decoration: underline; */
}

.content {
  padding: 0 18px;
  display: none;
  overflow: hidden;
  padding: 5px;
}

.Answer {visibility: hidden;}

.Answer:before {visibility: visible; cursor: pointer; font-weight: bold; content: " Answer ";}

.ShowAnswer {visibility: visible;}