.number-box {
  background: linear-gradient(1turn, #161e22, #3a3a39, #21201f);
}

.exam-container .bg-title {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
}

.exam-container .title {
  position: absolute;
  top: 25px;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  text-align: center;
}

.exam-container .example {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.exam-container .bg-answer {
  position: absolute;
  bottom: 190px;
  left: 50%;
  transform: translate(-50%, 0);
}

.exam-container .bgAbacus_answer {
  bottom: 140px;
}

.exam-container .bg-answer .answer {
  height: 50px;
  width: 50px;
  /* padding: 0 17px; */
  font-size: 30px;
  outline: none;
  border: none;
  text-align: center;
}

.exam-container .bg-answer.abacus .answer {
  height: 40px;
  width: 40px;
  /* padding: 0 12px; */
}

@media (max-width: 600px) {
  .exam-container .bg-answer .answer {
    height: 30px;
    width: 30px;
    /* padding: 0 10px; */
    font-size: 15px;
  }
}

.exam-container .box-content {
  width: 80%;
  height: 88%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.exam-container .box-content.top-38 {
  top: 38px;
  transform: translate(-50%, 0);
}

.exam-container .optionBtn {
  position: absolute;
  bottom: -70px;
  transform: translate(-50%, 0);
  left: 50%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.exam-container .numbers {
  height: 72%;
  line-height: 25px;
}

.exam-container .box-content .info div {
  margin-bottom: 25px;
}

.exam-container .half-circle {
  width: 30px;
  height: 20px;
  background-color: gold;
  border-top-left-radius: 110px;
  border-top-right-radius: 110px;
  background-color: gray;
  border-bottom: 0;
  position: relative;
  line-height: 16px;
}

.exam-container .bg-name {
  background: linear-gradient(1turn, #dcdcdd, #ebebe8, #cfcfcc);
  border: 1px solid #cfcfcc;
  color: #0f265c;
}

.example-view,
#information,
#examplesnumber,
.bg-answer {
  display: none;
}

.exFlashCard img {
  height: 280px;
  width: 80px;
  margin: 0 -7px;
}

@media (max-width: 500px) {
  .exFlashCard img {
    height: 200px;
    width: 50px;
    margin: 0 -7px;
  }
}

.fixedTop {
  position: fixed;
  top: 20px;
  background-color: #fff;
  z-index: 100
}

.mental-fontSize {
  font-size: 150px;
}

@media (max-width: 600px) {
  .mental-fontSize {
    font-size: 80px;
  }
}

.sticky-top.navbar-dark {
  position: relative !important;
}

.number-ex {
  font-size: 10px;
}



@media (max-width: 500px) {
  .ex-img-bg {
    height: 400px;
  }
}

@media (max-width: 480px) {
  .infoBox {
    display: none;
  }
}