* { box-sizing: border-box; } body {margin: 0;}#ijcz3{width:90%;height:1px;background-color:lightgray;margin:30px auto;}
.product-accordion {
    border-top: 1px solid #d7d7d7;
    border-right: 1px solid #d7d7d7;
    border-left: 1px solid #d7d7d7;
    -webkit-border-radius: 5px;
    border-radius: 5px;
    overflow: hidden;
    background: #ffffff;
}
.product-accordion .accordion-title {
    display: block;
    font-weight: 300;
    background-color: #9b9b9b;
    border-bottom: 2px solid #7d7d7d;
    -webkit-border-radius: 0 0 5px 5px;
    border-radius: 0 0 5px 5px;
    cursor: pointer;
    padding: 15px 20px;
    position: relative;
    color: #fff;
}
.product-accordion .accordion-title.title-light {
    background-color: #c9c9c9;
    border-bottom: 2px solid #9d9d9d;
}
.product-accordion .accordion-title .title-arrow {
    display: block;
    position: absolute;
    right: 20px;
    top: 15px;
    transition: all ease-in 0.2s;
    -webkit-transition: all ease-in 0.2s;
    -ms-transition: all ease-in 0.2s;
    -0-transition: all ease-in 0.2s;
}
.product-accordion.active .accordion-title .title-arrow {
    transform: rotate(180deg);
}
.product-accordion .argument {
    display: none;
    border-bottom: 1px solid #d7d7d7;
    -webkit-border-radius: 0 0 5px 5px;
    border-radius: 0 0 5px 5px;
    padding: 20px;
}
.product-accordion.block-1 .argument {
    display: block;
}