.sam1 tr:hover td{

       color:blue;

}

.sam2 table {

    border: 4px;   

}

.sam3 tr:hover td{

    background-color: pink;   

}

.sam4 tr:hover td{

    background-color: gray;

}

}

.sam4 table th{

    background-image: url("guy.jpg");

    background-position: right top;

}

.sam5 tr:hover td{

    border-left: pink;

}