.flex{
    display: flex;
}

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

.block{
    display: block;
}

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

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

.text-align{
    text-align: center;
}

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

.float-left{
    float: left;
}

.float-right{
    float: right;
}

.fixed{
    position: fixed;
}
.blank{
    padding: 80px;
}
.f23px{
    font-size: 23px;
}
.f22px{
    font-size: 22px;
}
.myh3{
    font-size: 21px;
    font-weight: 600;
}
.myh2{
    font-size: 23px;
    font: 700;
}
.underline{
    text-decoration: underline;
}