body{
    position: relative;
}
html,* { font-family: 'Inter'; box-sizing: border-box; }
body { background-color: #fafafa; line-height:1.6;}
.lead { font-size: 1.5rem; font-weight: 300; }
#demo{
    width: 100%;
    max-width: 760px;
    margin: 20px auto;
}
.box{
    margin: 20px;
}
.jTips:hover{
    cursor: pointer;
}