demand:
5
6
CSS
Note:
1
2IE9flex
  
 
demand:
5
6
CSS
Note:
1
2IE9flex
  
 
writing-mode learn about
<!DOCTYPE html>
<html>
<head>
    <style>
        -sharpmainBox {
            border: 1px -sharpf00 solid;
            width: 300px;
            height: 250px;
            writing-mode: tb-lr;/*IE*/
            writing-mode: vertical-lr;
        }
        -sharpmainBox a {
            margin: 5px;
            padding: 0px;
            display: inline-block;
            width: 30px;
            height: 30px;
            border: 1px -sharp00f solid;
            writing-mode: lr-tb;
        }
    </style>
</head>
<body>
    <div id="mainBox">
        <a href="-sharp">1</a>
        <a href="-sharp">2</a>
        <a href="-sharp">3</a>
        <a href="-sharp">4</a>
        <a href="-sharp">5</a>
        <a href="-sharp">6</a>
        <a href="-sharp">7</a>
        <a href="-sharp">8</a>
        <a href="-sharp">9</a>
        <a href="-sharp">10</a>
    </div>
</body>
</html>