Grid
CSS Grid
.my-container
col 25%
col 50%
col 25%
Bootstrap Grid
.container
col
col
col
col
col
.container-fluid
col
col
col
col-md
col-md
col-md
col
col
col-2
col-10
col-6
col-6
Unsemantic Grid
grid-container
col 25%
col 75%