.tenuki tr:nth-child(odd) td {  
  background-color: #ffffea;

}
.tenuki tr:nth-child(even) td {  
  background-color: #ffdbb7;
}

.tooltip1{
    position: relative;
    cursor: pointer;
    display: inline-block;
}
.tooltip1 p{
    margin:0;
    padding:0;
}
.description1 {
    display: none;
    position: absolute;
    padding: 10px;
    font-size: 12px;
    line-height: 1.6em;
    color: #fff;
    border-radius: 5px;
    background: #000;
    width: 100px;
}
.description1:before {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    border: 15px solid transparent;
    border-top: 15px solid #000;
    margin-left: -15px;
}
.tooltip1:hover .description1{
    display: inline-block;
    top: -70px;
    left: -30px;
}