table.shop {
    border: 1px solid black;
    border-collapse: collapse;
    width: 70%;
    margin: auto;
}

table.shop th {
    border: 1px solid black;
    height: 15px;
    padding: 15px;
}

table.shop td {
border: 1px solid black;
    height: 15px;
    padding: 15px;
}

table.shop tr:hover{background-color: yellow}