.form-tabs{
    display: flex;
    border-bottom: 1px solid #e7e8e9;
    align-items: center;
    justify-content: space-around;
}
.tab-left{
    width: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.tab-right{
    padding-left: 20px;
}
.add-icon{
    cursor: pointer;
    display: block;
    width: 20px;
    height: 20px;
    background: url('../images/add.png') center center no-repeat;
}
.tab-item{
    display: flex;
    align-items: center;
    cursor: pointer;
    height: 40px;
    margin: 0 2px 0 0;
    padding: 0 16px;
    line-height: 38px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 4px 4px 0 0;
    transition: all .3s cubic-bezier(.645,.045,.355,1);
    border-bottom: none;
}
.tab-item .del-icon{
    width: 20px;
    height: 20px;
    background: url('../images/del.png') center center no-repeat;
    cursor: pointer;
}
.tab-item.selected{
    background-color: #ffffff;
}