CSS

grid template columns

/* Keyword value */
grid-template-columns: none;

/* <track-list> values */
grid-template-columns: 100px 1fr;
grid-template-columns: [linename] 100px;
grid-template-columns: [linename1] 100px [linename2 linename3];
grid-template-columns: minmax(100px, 1fr);
grid-template-columns: fit-content(40%);
grid-template-columns: repeat(3, 200px);
grid-template-columns: subgrid;

/* <auto-track-list> values */
grid-template-columns: 200px repeat(auto-fill, 100px) 300px;
grid-template-columns: minmax(100px, max-content)
                       repeat(auto-fill, 200px) 20%;
grid-template-columns: [linename1] 100px [linename2]
                       repeat(auto-fit, [linename3 linename4] 300px)
                       100px;
grid-template-columns: [linename1 linename2] 100px
                       repeat(auto-fit, [linename1] 300px) [linename3];

/* Global values */
grid-template-columns: inherit;
grid-template-columns: initial;
grid-template-columns: unset;

grid-template-columns

grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));

grid template

grid-template-columns: repeat(auto-fit, minmax(30ch, 1fr));

grid template css

/* grid-template is a shorthand for grid areas, rows, and columns */
/* grid-template-areas grid-template-rows / grid-template-column values */
grid-template: 
            "a a a" 40px
            "b c c" 40px
            "b c c" 40px / 1fr 1fr 1fr;