.flex{
    display: flex;
}
.align-center{
    align-items: center;
}
.justify-center{
    justify-content: center;
}
.padding{
    padding: 10px;
}
.margin{
    margin: 10px;
}
.margin-lr{
    margin:0 10px;
}
.margin-tb{
    margin: 10px 0;
}
.padding-lr{
    padding:0 10px;
}
.padding-tb{
    padding: 10px 0;
}

.padding-30{
    padding: 30px;
}
.margin-30{
    margin: 30px;
}
.margin-lr-30{
    margin:0 30px;
}
.margin-tb-30{
    margin: 30px 0;
}
.padding-lr-30{
    padding:0 30px;
}
.padding-tb-30{
    margin: 30px 0;
}
.center{
    text-align: center;
}
.text-999{
    color:#999999;
}
.text-666{
    color:#666666;
}
.text-333{
    color:#333333;
}
*{
    padding: 0;
    margin: 0;
}
li,ul,ol{
    list-style: 0;
}
a{
text-decoration: none;
}
.margin-center{
margin:0 auto;
}