.collapsible {
    background-color: #6bcc42;
    color: white;
    cursor: pointer;
    padding: 8px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    transition: all 0.5s;
    z-index: -1;
  }
  
.active-collapsible {
    background-color: #6bcc42;
}

.collapsible:hover {
    background-color: #a0a0a0;
}
  
.collapsible:after {
    content: '\002B';
    color: white;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}
  
.active-collapsible:after {
    content: "\2212";
}
  
.content-collapsible {
    padding: 0 10px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #f1f1f1;
}


@media screen and (min-width: 1024px) and (max-width : 1279px){
    .collapsible {
        font-size: 15px;
    }
}

@media screen and (min-width : 768px) and (max-width : 1023px){
    .collapsible {
        font-size: 15px;
    }
}

@media screen and (min-width : 450px) and (max-width : 767px){
    .collapsible {
        font-size: 14px;
    }
}

@media screen and (min-width : 0px) and (max-width : 449px){
    .collapsible {
        font-size: 13px;
    }
}