.asta-accordions {
  display: flex;
  flex-flow: wrap;
}
.asta-accordion {
  width: 49%;
}
.asta-accordion  summary {
  cursor: pointer;
}
.asta-accordion:nth-of-type(odd) {
  margin-right: 1%;
}
.asta-accordion:nth-of-type(even) {
  margin-left: 1%;
}
details{
    width: 100%;
    margin: 1rem auto;
    background-color: #fff;
    border-radius: 1rem;
    box-shadow: 0 .25rem 1rem rgba(0, 0, 0, 0.1);
}
details:not([open]){
    animation-name: fold-in;
    animation-duration: .2s;
}
  
details summary{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    padding: 1.5rem;
}
  
details summary::-webkit-details-marker,
details summary::marker{
    content: "";
    display: none;
}
  
details summary::after{
    content: "+";
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1;
    margin-right: 1rem;
    cursor: pointer;
}
  
details .content{
    padding: 0 1.5rem 1.5rem;
}
  
details[open] summary::after {
    content: "−";
}
  
details[open] .content{
  animation-name: fold-out;
  animation-duration: .2s;
}
 
  
  @keyframes fold-out {
    0% {
      opacity: 0;
      margin-top: -1rem;
    }
  
    100% {
      opacity: 1;
      margin-top: 0;
    }
  }
  
  @keyframes fold-in {
    0% {
      padding-bottom: 1rem;
    }
  
    100% {
      padding-bottom: 0;
    }
}
@media only screen and (max-width:700px) { 
  .asta-accordion {
    width: 100%;
  }
  .asta-accordion  summary {
    cursor: pointer;
  }
  .asta-accordion:nth-of-type(odd) {
    margin-right: 0;
  }
  .asta-accordion:nth-of-type(even) {
    margin-left: 0;
  }
}
  