.charsheet 
{
    background-image: url("https://www.jinx.com/productimage/5659/62/1/900.jpg");
    background-repeat:no-repeat;
    background-position:center;

}

{ border-style:double; }
{font-size:12px; }

  table.center {
    margin-left:auto; 
    margin-right:auto;
  }

table {
    margin-top: 15px;
    margin-right: 5px;
    margin-left: 5px;
    text-align:center;
}

th, td {
    text-align:center;
}
th {
    text: bold;
}
textarea {
    margin: 0 auto;
    display: block;
}

div.sheet-tab-content { display: none; }

input.sheet-tab1:checked ~ div.sheet-tab1,
input.sheet-tab2:checked ~ div.sheet-tab2,
input.sheet-tab3:checked ~ div.sheet-tab3,
input.sheet-tab4:checked ~ div.sheet-tab4 

{ display: block; }

input.sheet-tab {
    width: 150px;
    height: 20px;
    position: relative;
    top: 5px;
    left: 6px;
    margin: -1.5px;
    cursor: pointer;
    z-index: 1;
    opacity: 0;
}