.split {
    -moz-display: flex;
    -webkit-display: flex;
    -ms-display: flex;
    display: flex;
    -moz-align-items: stretch;
    -webkit-align-items: stretch;
    -ms-align-items: stretch;
    align-items: stretch;
    -moz-flex-direction: row;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    -moz-justify-content: flex-start;
    -webkit-justify-content: flex-start;
    -ms-justify-content: flex-start;
    justify-content: flex-start;
    -moz-flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    clear: both;
}

.split.space-between {
    -moz-justify-content: space-between;
    -webkit-justify-content: space-between;
    -ms-justify-content: space-between;
    justify-content: space-between;
}

.split > * {
    width: 50%;
    box-sizing: border-box;
    padding: 0;
}

.split.space-between > * {
    width: auto;
}

.split > *:nth-child(even) {
    padding-left: 1em;
}

.split > *:nth-child(odd) {
    padding-right: 1em;
}

.split.nowrap {
    -moz-flex-wrap: nowrap;
    -webkit-flex-wrap: nowrap;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
}

.split.center {
    -moz-justify-content: center;
    -webkit-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
}

.split.middle {
    -moz-align-items: center;
    -webkit-align-items: center;
    -ms-align-items: center;
    align-items: center;
}

.split.bottom {
    -moz-align-items: flex-end;
    -webkit-align-items: flex-end;
    -ms-align-items: flex-end;
    align-items: flex-end;
}

.split.stretch {
    -moz-align-items: stretch;
    -webkit-align-items: stretch;
    -ms-align-items: stretch;
    align-items: stretch;
}

.split > .middle {
    -moz-align-self: center;
    -webkit-align-self: center;
    -ms-align-self: center;
    align-self: center;
}

@media screen and (max-width: 600px) {
    .split {
        -moz-flex-wrap: wrap;
        -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    }

    .split > * {
        width: 100%;
        padding: 0 !important;
    }
}