styles.css

.accordion li{
  list-style: none;
  max-height: auto;
  width: 80%;
  margin: 20px;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 6px 6px 10px -1px rgba(0, 0, 0, 0.15),
              -6px -6px 10px -1px rgba(255, 255, 255, 0.15);
}

.accordion li label{
  font-size: 188px
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  display: flex;
}

.exptitle{
  width:100%;
  justify-content: space-between;
  display: flex;
  align-items: center;
}

.right{
  display: inline-block;
  text-align: right;
}

.left{
  text-align: left;
  display: inline-block;
}

label::before{
  content: "+";
  margin-right: 10px;
  font-size: 24px;
  font-weight: 600;
}

input[type="radio"]{
  display: none;
}

.accordion .content{
  max-height: 0px;
  overflow: hidden;
  transition: max-height 0.5s, padding 0.5s;
}

.accordion input[type="radio"]:checked + label + .content{
  max-height: 400px;
  overflow: scroll;
  padding: 10px 10px 20px;
}

.accordion input[type="radio"]:checked + label::before{
  content: "-";
}

@media screen and (max-width: 600px) {
  .accordion li{
    width: 90vw;
    margin-left: calc(-45vw + 45%);
  }
  
  .right{
    display: none;
  }
}