.omit1 {
    overflow: hidden; 
    text-overflow: ellipsis; 
    white-space: nowrap; 
}

.omit2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box; 
    -webkit-box-orient: vertical; 
    -webkit-line-clamp: 2; 
}

.omit3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box; 
    -webkit-box-orient: vertical; 
    -webkit-line-clamp: 3; 
}