//布局常用类

.d-none{
    display: none!important;
}
//flex 布局常用类
.d-flex {
    display: flex !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.justify-content-around {
    justify-content: space-around !important;
}

.align-items-center {
    align-items: center !important;
}

.align-items-start {
    align-items: flex-start !important;
}

.align-items-end {
    align-items: flex-end !important;
}

.flex-wrap-wrap {
    flex-wrap: wrap;
}
.flex-direction-column{
    flex-direction: column;
}


.pull-left {
    float: left;
}

.pull-right {
    float: right;
}

.block {
    display: block;
}

.oh {
    overflow: hidden;
}

.tac {
    text-align: center;
}

.fb{
    font-weight: bold;
}