mixin grid horizontal-wrap justify-content center mixin grid-cell position relative width 16vw height 9vw min-width 90px min-height 127px max-width 200px max-height 282px border-radius 3px background-size cover background-position 50% 50% margin 0.5rem mixin grid-text vertical width 100% height 100% align-items center justify-content center font-size 1rem color rgb(160, 160, 160) mixin grid-image width 100% height 100% border-radius 3px object-fit cover mixin grid-icon font-size 2.5rem margin-top 2rem margin-bottom 0.7rem color link-color mixin flip-card :hover .front transform rotateY(180deg) opacity 0 .back transform rotateY(0deg) opacity 1 .front position absolute left 0 top 0 opacity 1 default-transition transform rotateY(0) .back position absolute left 0 top 0 opacity 0 default-transition transform rotateY(180deg)