Revert "Improve styling of filter box"
Revert "Improve styling of filter box"

This reverts commit adeaba531452e63540eb58f4b4b198095afa8890.

ScottKolo/suitesparse-matrix-collection-website,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/UFSMC-Web,ScottKolo/suitesparse-matrix-collection-website,ScottKolo/UFSMC-Web,ScottKolo/UFSMC-Web