*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif
}
._nav_learn{
  background-color: maroon;
  position: absolute;
  justify-content: space-around;
  display: grid;
  justify-items: start;
  bottom: 0;
  top: 0;
}
.menu_learn li{
  list-style: none;
  text-align: left;
  padding: 15px;
  margin: 10px;
  background-color: #965e5e;
  border-radius: 6px;
}

.menu_learn li:hover{
  background-color: #cdc1c1;
  border-radius: 6px;
  transition: all 0.3s ease-in-out
}

.menu_learn li a{
  color: white;
  text-decoration: none;
  font-size: 20px;
  font-weight: 500;
  transition: all 0.3s ease-in-out;
}

.question_form.active{
  top: 25%;
  position: absolute;
  left: 25%;
  justify-content: end;
  display: grid;
  align-items: center;
  align-content: space-evenly;
  margin: 0;
  padding: 25px;
  background-color: gainsboro;
  border-radius: 9px;
}

input[type="radio"]:checked + label {
    color: blue;
    font-weight: bold;
}
.answer input{
  display:block;
}

input[type="radio"] {
  position: sticky;
  opacity: 0;
  align-items: center;
  width: 350px;
  height: 30px;
  margin: 10px;
  z-index: 2;
}

.answer label{
  bottom: 35px;
  position: relative;
  padding: 0 130px;
  justify-content: center;
  display: flex;
  z-index: 1;
}