#tough_leg .column-center {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

#tough_leg .column-center li:not(:first-of-type) {
    margin-left: 2.127659574468085%;
}

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


@media screen and (max-width:600px) { 
    #wrapper ul.liquid-column2 > li {
        width: 100%;
    }
    .column-center {
        text-align: center;
    }
}