html,body{margin:0;padding:0;width:100%;height:100%;}img{display:block;width:100%;height:100%}.link{position:absolute;top:74%;left:0;right:0;margin:0 auto;width:47%;height:8%;-webkit-tap-highlight-color:transparent}.img-btn{margin-top:20%;width:100%;height:100%;background-image:url(image/btn-2.html);background-size:100% 100%;background-repeat:no-repeat}.step{position:relative;margin:0 auto;width:100%;height:100%;text-align:center}.step>img{box-sizing:border-box;margin-bottom:20px;padding:0 20px;height:auto}.step>img:first-child{margin-bottom:0}.mask{display:none;position:fixed;top:0;bottom:0;right:0;left:0;background:#000;z-index:1000}.mask>img{margin:15% auto;width:100%;height:auto;z-index:1100}@media only screen and (device-width:375px) and (device-height:812px) and (-webkit-device-pixel-ratio:3){.link{top:75%;height:7%}} .faq_body, .head{
    max-width: auto;
    margin: auto;
}

.head{
    text-align: center;
    padding: 20px 0px;
}

.faq_body{
    background-color: #fff;
    border-radius: 10px;
    padding: 10px 10px;
}

summary h3 {
    font-size: 19px;
}

summary{
    background-color: #f2f2f2;
    padding: 10px 10px;
    margin: 6px 0px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease-in-out;
    font-size: 19px; /* Add the desired font size */
}

summary:hover{
    background-color: #e6e3e3;
}

details[open=""] > summary{
    background-color: #e6e3e3;
}

details div{
    background-color: #fafafa;
    padding: 10px 20px;
    border-radius: 10px;
    margin-bottom: 10px;
    font-size: 17px;
}