.one {
    float: left;
    border-style: dashed;
    color: #fff;
}

.two {
    float: left;
    border-top-style: solid;
    border-right-style: dotted;
    border-bottom-style: solid;
    border-left-style: dotted;
    color: #fff;
}

.three {
    border-top-style: solid;
    border-right-style: dashed;
    border-bottom-style: dotted;
    border-left-style: dashed;
}

.four {
    border-top-style: solid;
    border-bottom-style: dashed;
    border-left-style: dotted;
}

.four-equals {
    border-style: solid;
}