.cookietable {
    position:relative;
    margin-top:10px;
    width:100%;
    height: 200px;
    display:block;
    clear:both;
    float:left;
    overflow:scroll;
}
.cookietable table {
    border-collapse: collapse; 
    margin:0px auto;
}
.cookietable tr:nth-of-type(odd) { 
    background: #eee; 
}
.cookietable td, .cookietable th { 
    padding: 10px; 
    border: 1px solid #ccc; 
    text-align: left; 
}
.cookietable th { 
    position: sticky;
    top:0px;
    background: #555; 
    color: white; 
    font-weight: bold; 
}
.cookietable td {
    color: #000;    
}