.backbtn{padding:5px 15px;background-color:#333;color:#fff;box-shadow:-3px 3px #a9a9a9,0 0 #ffffe0,-1px 1px #ffffe0;border:1px solid #ffffe0;border-radius:10px;margin-left:20px;cursor:pointer;opacity:.7}.backbtn:hover{opacity:1}.step{font-weight:700;color:#000;font-size:18px}.step:hover{opacity:.6}.txt{text-align:left;width:90%;color:#789;font-weight:700;font-size:12px;margin-top:10px}.intContent{margin-left:15px;margin-top:20px;font-size:18px}.close{margin-left:48%;background-color:transparent;cursor:pointer;padding:10px;border-radius:15px}.close:hover{color:#dc143c}.switchBtn{padding:8px;cursor:pointer;border-radius:5px;border:none;background-color:#333;color:#fff;opacity:.7;margin-left:2px}.switchBtn:hover{opacity:.9;color:#ffb6c1}@media screen and (max-width:430px){.step{font-size:12px}.txt{font-size:10px;width:100%}.intContent{margin-left:2px;font-size:14px}.switchBtn{padding:5px;font-size:12px}.close{margin-left:42%}}