中国科学院大学 - 笃志网
duzhi.ucas.ac.cn
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.one-pan-tip {
cursor: pointer;
}
.one-pan-tip::before {
background-position: center;
background-size: 100% 100%;
background-repeat: no-repeat;
box-sizing: border-box;
width: 1em;
height: 1em;
margin: 0 1px .15em 1px;
vertical-align: middle;
display: inline-block;
}
.one-pan-tip-success::before {
content: '';
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAQA0lEQVR4Xu1de5QcVZ3+ftU9M3lPV8dwUNYHIZqQmW5BiGcdkwwzXZEVWXCPBx9HxSMcdxcRH0Tx7EYXz4r4InIUkT3sJhzXXRSyf6wsCpHuGUliUDESu3pYnuGhqLuzVPUk5DEz3fXbc7tnPCHT3fWu6q6u/mf+qHt/j+/75tatW7d+lxD/uhoB6urs4+QRC6DLRRALIBZAlyPQ5elHcwS4G4nsK5avAaRBcGIQQJbBpwNYSkxLxF+AlwJYBtA0iCeZaRLE/wumSSKeBPgFZjxrSHim0ls+9PhGHImiViIhgNUPyP1LiUdAlCPGWxkYIKJeLwljZg2gQwz+JYjzxwwaO7RFn/LSRxi2OlMADMqMpzYz0xYJpDDzBiKS