Accordion - Special classes

by BEVERLY LEU

HTML

<div class="ul-accordion">
    <div class="li-accordion">
        <input type="checkbox" checked> <i></i>

         <div class="h2-accordion">Accordion 1</div>

        <div class="p-accordion">Blah Blah Blah.</div>
    </div>
    <div class="li-accordion">
        <input type="checkbox" checked> <i></i>

         <div class="h2-accordion">Accordion 2</div>

        <div class="p-accordion">Blah Blah Blah.</div>
    </div>
    <div class="li-accordion">
        <input type="checkbox" checked> <i></i>

         <div class="h2-accordion">Accordion 3</div>

        <div class="p-accordion">Blah Blah Blah.</div>
    </div>
</ul>

CSS

.transition, .p-accordion, .ul-accordion .li-accordion i:before, .ul-accordion .li-accordion i:after {
}
.flipIn, .h1-accordion, .ul-accordion .li-accordion {
}
.no-select, .h2-accordion {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.h1-accordion, .h2-accordion {
    color: #468847;
}
.h1-accordion {
    text-transform: uppercase;
    font-size: 36px;
    line-height: 42px;
    letter-spacing: 3px;
    font-weight: 100;
}
.h2-accordion {
    font-size: 26px;
    line-height: 34px;
    font-weight: 300;
  /*  letter-spacing: 1px;*/
    display: block;
    background-color: #fefffa;
    margin: 0;
    cursor: pointer;
}
.p-accordion{
    color: rgba(48, 69, 92, 0.8);
    font-size: 17px;
    line-height: 26px;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: translate(0, 0);
    margin-top: 14px;
    z-index: 2;
}
.ul-accordion {
    list-style: none;
    perspective: 900;
    padding: 0;
    margin: 0;
}
.ul-accordion .li-accordion {
    position: relative;
    padding: 0;
    margin: 0;
    padding-bottom: 4px;
    padding-top: 18px;
    border-top: 1px dotted #dce7eb;
}
.ul-accordion .li-accordion:nth-of-type(1) {
    animation-delay: 0.5s;
}
.ul-accordion .li-accordion:nth-of-type(2) {
    animation-delay: 0.75s;
}
.ul-accordion .li-accordion:nth-of-type(3) {
    animation-delay: 1s;
}
.ul-accordion .li-accordion:last-of-type {
    padding-bottom: 0;
}
.ul-accordion .li-accordion i {
    position: absolute;
    /*transform: translate(-6px, 0);*/
    margin-top: 16px;
    right: 0;
}
.ul-accordion .li-accordion i:before, .ul-accordion .li-accordion i:after {
    content:"";
    position: absolute;
    background-color: #51a351;
    width: 3px;
    height: 9px;
}
.ul-accordion .li-accordion i:before {
    transform: translate(-2px, 0)...