.engine-1 {
    display: inline-block;
    height: 24px;
    width: 24px;
    background: url(../img/engines/engines.webp) -0px -0px;
    vertical-align: middle;
}

.engine-2 {
    display: inline-block;
    height: 24px;
    width: 24px;
    background: url(../img/engines/engines.webp) -24px -0px;
    vertical-align: middle;
}

.engine-3 {
    display: inline-block;
    height: 24px;
    width: 24px;
    background: url(../img/engines/engines.webp) -0px -24px;
    vertical-align: middle;
}

.engine-4 {
    display: inline-block;
    height: 24px;
    width: 24px;
    background: url(../img/engines/engines.webp) -24px -24px;
    vertical-align: middle;
}