css实现立体感按钮

css实现立体感按钮

!-- /*--/*><! */ html { font-family: Times, serif; font-size: 12pt; } .title { text-align: center; } .todo { color: red; } .done { color: green; } .tag { background-color: #add8e6; font-weight:normal } .target { } .timestamp { color: #bebebe; } .timestamp-kwd { color: #5f9ea0; } p.verse { margin-left: 3% } pre { border: 1pt solid #AEBDCC; background-color: #F3F5F7; padding: 5pt; font-family: courier, monospace; font-size: 90%; overflow:auto; } table { border-collapse: collapse; } td, th { vertical-align: top; } dt { font-weight: bold; } div.figure { padding: 0.5em; } div.figure p { text-align: center; } .linenr { font-size:smaller } .code-highlighted {background-color:#ffff00;} .org-info-js_info-navigation { border-style:none; } #org-info-js_console-label { font-size:10px; font-weight:bold; white-space:nowrap; } .org-info-js_search-highlight {background-color:#ffff00; color:#000000; font-weight:bold; } /**/ --> /*><! */ html { font-famil