.container {
max-width: 1335px;
margin: 0 auto;
}
.grid-row {
display: flex;
flex-flow: row wrap;
justify-content: flex-start;
}
.grid-item {
height: 550px; /*optional*/
flex-basis: 20%; /* initial percantage */
-ms-flex: auto;
width: 259px; /*optional*/
position: relative;
padding: 10px; /*optional*/
box-sizing: border-box;
}
@media(max-width: 1333px) {/*xl*/
.grid-item {
flex-basis: 33.33%;
}
}
@media(max-width: 1073px) {/*lg*/
.grid-item {
flex-basis: 33.33%;
}
}
@media(max-width: 815px) {/*md*/
.grid-item {
flex-basis: 50%;
}
}
@media(max-width: 555px) {/*sm*/
.grid-item {
flex-basis: 100%;
}
}/* Answer to: "flex grid css" */
/*
Grid and flexbox. The basic difference between CSS Grid Layout
and CSS Flexbox Layout is that flexbox was designed for layout
in one dimension - either a row or a column. Grid was designed
for two-dimensional layout - rows, and columns at the same time.
For more information on how to use this, go to:
https://www.w3schools.com/css/css3_flexbox.asp
*/