.area-square {
  font-family: "Noto Sans JP", sans-serif;
  position: absolute;
  color: var(--color-black);
  border: 4px solid;
  background-blend-mode: multiply;
  cursor: crosshair;
  /* background-color: #ffffff4d; */
  /* background: rgba(255, 255, 255, 0.3); Màu trắng có độ trong suốt */
  backdrop-filter: blur(2px);
  font-weight: bold;
  font-size: 14px;
}

.icon-right{
  border-color:  var(--color-right);
}

.icon-right::before{
  font-family: "Font Awesome 6 Free";
  content: "\f058";
  position: absolute;
  font-size: 24px;
  color: var(--color-right);
  background-color: white;
  font-weight: bold;
  top: 10px;
  right: 10px;
  font-weight: bold;
  border-radius: 50%;
}

.icon-wrong{
  border-color:  var(--color-bad);
}

.icon-wrong::before{
  font-family: "Font Awesome 6 Free";
  content: "\f057";
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  color: var(--color-bad);
  background-color: white;
  font-weight: bold;
  border-radius: 50%;
}

.icon-right-center{
  border-color:  var(--color-right);
}

.icon-right-center::before{
  font-family: "Font Awesome 6 Free";
  content: "\f058";
  position: absolute;
  font-size: 24px;
  color: var(--color-right);
  background-color: white;
  font-weight: bold;
  top: 50%;
  transform: translateY(-50%);
  right: 2px;
  font-weight: bold;
  border-radius: 50%;
}

.icon-wrong-center{
  border-color:  var(--color-bad);
}

.icon-wrong-center::before{
  font-family: "Font Awesome 6 Free";
  content: "\f057";
  position: absolute;
  top: 50%;
  right: 2px;
  transform: translateY(-50%);
  font-size: 24px;
  color: var(--color-bad);
  background-color: white;
  font-weight: bold;
  border-radius: 50%;
}

.icon-wrong::before{
  font-family: "Font Awesome 6 Free";
  content: "\f057";
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 24px;
  color: var(--color-bad);
  background-color: white;
  font-weight: bold;
  border-radius: 50%;
}

.icon-right-top{
  border-color:  var(--color-right);
}

.icon-right-top::before{
  font-family: "Font Awesome 6 Free";
  content: "\f058";
  position: absolute;
  font-size: 24px;
  color: var(--color-right);
  background-color: white;
  font-weight: bold;
  top: 0px;
  transform: translate(50%,-50%);
  right: 0px;
  font-weight: bold;
  border-radius: 50%;
}

.icon-wrong-top{
  border-color:  var(--color-bad);
}

.icon-wrong-top::before{
  font-family: "Font Awesome 6 Free";
  content: "\f057";
  position: absolute;
  top: 0px;
  right: 0px;
  transform: translate(50%,-50%);
  font-size: 24px;
  color: var(--color-bad);
  background-color: white;
  font-weight: bold;
  border-radius: 50%;
}


.change-lesson-btn{
  display: flex;
  align-items: center;
  padding: 10px;
  background-color: #3aa5fb;
  color: #ffffff;
}


.hightlight-text-answer{
  background-color: #06d6a0 !important;
  color: white;
}