1 td, th {2 background-color: #F4F4F4;3 }4 5 thead tr {6 height: 0;7 }8 9 div.a {10 color: white;11 }12 13 thead:before {14 display: block;15 content: '';16 width: 100%;17 background: red;18 height: 20px;19 position: fixed;20 background: dodgerblue;21 }22 23 /* 999th try */24 .a {25 position: fixed;26 }27 Enlace
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