.f {
    display: flex;
}
.fc{
    flex-flow: column;
}
.jfs {
    justify-content: flex-start;
}

.jfe {
    justify-content: flex-end;
}

.ja {
    justify-content: space-around;
}

.jb {
    justify-content: space-between;
}
.jc{
    justify-content: center;
}
.je {
    justify-content: space-evenly;
}

.ac {
    align-items: center;
}

.ab {
    align-items: baseline;
}
.as{
    align-items: flex-start;
}
.ae {
    align-items: flex-end;
}

.tc {
    text-align: center;
}

.tl {
    text-align: left;
}
.tr{
    text-align: right;
}
.w {
    flex-wrap: wrap;
}

.p_r {
    position: relative;
}

.p_a {
    position: absolute;
}

.hand{
    cursor: pointer;
}
.ellipsis {
    overflow: hidden;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    display: -webkit-box;
}
.clearfix{
    zoom: 1;
}
.clearfix::after,.clearfix::before{
    content: '';
    display: table;
}
.clearfix::after{
    clear: both;
}
.scroll{
    overflow-x: scroll;
}
.border{
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}