.bukva {display: table-cell; border-radius: 30px 30px 30px 30px; width: 40px; height: 40px; border: #000000 solid 1px; float: left; margin-right: 1%; margin-top: 15px; text-align: center; line-height: 2.6;}
.bukva:hover{background-color: #d1d3d3;}