button.accordion {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 10px;
    width: 80%;
    text-align: left;
    border: none;
    outline: none;
    transition: 0.4s;
}
   
   button.accordion.active, button.accordion:hover {
    background-color: #ddd;
}

   
    button.accordion:after {
    content: '\02795'; /* Unicode character for "plus" sign (+) */
    font-size: 13px;
    color: #777;
    float: right;
    margin-left: 5px;
}

button.accordion.active:after {
    content: "\2796"; /* Unicode character for "minus" sign (-) */
}

div.panel {
    padding: 0 18px;
    background-color: white;
    display: none;
}


div.panel.show {
    display: block;
} 



table,th,td {
  border : 1px solid black;
  border-collapse: collapse;
}
th,td {
  padding: 5px;
  
  
  
  
}



 tr:nth-of-type(odd) {
      background-color:#E5E5E5;
    }