css画内圆角


查看demo

.b-r-c {
    width: 100px;
    padding: 10px;
    font-size: 12px;
    color: #f23d30;
    background:
        url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAeCAYAAAA7MK6iAAAA5UlEQVR4AWMAgU8OxiKf7AwXfLYzePLJ1uA/PTDDBxsbwc/2ho9/TO37//fOrf//PrynC2YA+nLK9742mAD9LAYG8a2/1y7T3+LPtgb/gAz6WwyK6JFl8Wc7w+//njwaCB8bLvpWmf//35vX9LX4v4MDx2dbw9VfsxP+/3v1gn4Wg8D///8ZgZYv+97RQD+LYeCtpzkfML4f/Tl7ml4WI8BnO6NqoK/pb/EXO2PdL9EB9Lf4PzC4P7lbjxSLEUE93BMXZnYazgUIZpE53CsJRLU42gIZro09zObtsG/QD1wXZsA6bQAA/oE1YY2OQwAAAABJRU5ErkJggg==) 0 no-repeat,
        url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB4AAAAeCAYAAAA7MK6iAAAA5ElEQVR4AWP4ZGvwnx74s53Bk092hgs+ORiLMIDAvw/v/9MD/71z6/+PKb3/P9sbPv5gYyMItpie+HtfG8j3U+hu8d9rl/8Dg/wW2GJ648+2Bv8GwmJwYhtBFr98Dgxqw2/0tfjVy//fKvJAPp5HP4ufP/v/JTUaZOni/6GhbHSz+FtjBSgbzWWAArpY/OfUMZBP7/73Neaiq8XfW2tBvi0H2UdXi79EBfz/7GiqTXeLP7lb///vac43EizGDOphnrgIZyf6FyDDvcjErCSGa7U42gJBNPZGSvMW0aAfsC7MgHXaAO1Fev10xplPAAAAAElFTkSuQmCC) 100% no-repeat;
    border-top: 1px solid #f23d30;
    border-bottom: 1px solid #f23d30;
    cursor: pointer;
    margin-top: 2px;
}