#course-quiz-block #course-quiz-question {
    font-size: 1.4em;
    margin-bottom: 30px;
}

#course-quiz-block {
  min-height: 400px;    
  --quizprimary: #558498;
  --quizeasing: cubic-bezier(0.165, 0.84, 0.44, 1);
  --quizduration: 100ms;
}

#course-quiz-block .checkbox:active .text {
  transform: scale(0.9);
}

#course-quiz-block .checkbox .icon {
  position: absolute;
  height: 40px;
  width: 40px;
  top: 50%;
  left: 20px;
  transform: translateY(-50%) rotate(45deg);
}

#course-quiz-block .checkbox .icon::before,
#course-quiz-block .checkbox .icon::after {
  content: "";
  display: block;
  position: absolute;
}

#course-quiz-block .input-group {
  padding: 20px 10px;
  background-color: rgba(0,0,0,0.5);
  min-height: 68px;
  border-radius: 10px;
  transition-delay: 0.2s;
  transition: all 1s ease-in-out;
}

#course-quiz-block .input-group.quiz-true {
  background-color: rgba(80,200,120,0.5);
}

#course-quiz-block .input-group.quiz-false {
  background-color: rgba(197,30,58,0.5);
}

#course-quiz-block .input-group + .input-group {
  margin-top: 10px;
}

#course-quiz-block label.checkbox {
    padding-left: 65px;
    width: 100%;
}

#course-quiz-block .checkbox .icon::before {
  height: 100%;
  width: 100%;
  border-radius: 100%;
  border: 2px solid currentColor;
  background: transparent;
  transition: background var(--quizduration) var(--quizeasing);
}

#course-quiz-block .checkbox .icon::after {
  border: 3px solid transparent;
  transition: height var(--quizduration) ease-in, width var(--quizduration) ease-out var(--quizduration), border-color var(--quizeasing) var(--quizduration) var(--quizduration);
  width: 0px;
  height: 0px;
  bottom: 10px;
  left: 15px;
  border-radius: 4px;
  transform-origin: bottom left;
/*   transform: rotate(45deg); */
}

#course-quiz-block .answer-checkbox:checked + .checkbox .icon::after {
  width: 8px;
  height: 20px;
  border-right-color: currentColor;
  border-bottom-color: currentColor;
  transition: width var(--quizduration) ease-in, height var(--quizduration) ease-out var(--quizduration), border-color var(--quizeasing) var(--quizduration);
}

#course-quiz-block .answer-checkbox:checked + .checkbox .icon::before {
  background: var(--quizprimary);
}

.inverted #course-quiz-block .answer-checkbox:checked + .checkbox .icon::before {
  filter: invert(1);
}

.inverted #course-quiz-block .input-group.quiz-true, .inverted #course-quiz-block .input-group.quiz-false {
  filter: invert(1);
}

.inverted #course-quiz-block .input-group.quiz-true .answer-checkbox:checked + .checkbox .icon::before, 
.inverted #course-quiz-block .input-group.quiz-false .answer-checkbox:checked + .checkbox .icon::before {
  filter: none;
}

#course-quiz-block #course-quiz-button {
  margin-top: 20px;  
}

#course-quiz-block #course-quiz-button .quiz-notification {
  opacity: 0;
  transition: opacity .8s ease-in;
}

#course-quiz-block #course-quiz-hint {
  padding: 20px;
  font-size: 20px;
  text-align: center;  
}

#course-quiz-block #course-quiz-button button {
  background-color: #ccc;
  padding: 10px 20px;
  border: none;
  border-radius: 10px;  
  transition: all 1s ease-in-out;
}

#course-quiz-block #course-quiz-button button:hover {
  background-color: #fff;   
}