$\color{#00B8D4} \rule{2pt}{170pt} \color{#E5F8FB} \rule[150pt]{240pt}{20pt} \color{#e8e8e8}\rule{0.5pt}{170pt} \color{#f5f5f5}\rule{0.5pt}{170pt} \color{#fafafa}\rule{0.5pt}{170pt} \kern{-240pt}\kern{-1.5pt} \color{#bfbfbf}\rule[0pt]{240pt}{0pt}\kern{-240pt} \color{#d6d6d6}\rule[-0.5pt]{240pt}{0pt}\kern{-240pt} \color{#ececec}\rule[-1pt]{240pt}{0pt}\kern{-240pt} \color{#f8f8f8}\rule[-1.5pt]{240pt}{0pt}\kern{-240pt} \color{black} \raisebox{150pt}{ \raisebox{6pt}{ \kern{-1pt} \color{#00B8D4}\large{\kern{2pt}\bf{i}\kern{5.5pt}} \raisebox{1.5pt}{ \color{#404040}\footnotesize \kern{-4pt}\sf\bf{说明} } } } \kern{-500pt}$.$\footnotesize {}^{\kern{4pt} \begin{array}{l} \textsf{想在小角落里给自己的oj打个广告，大家能提供to}\\ \textsf{ken的，自愿提供，球球了。点击详情外的第一个}\\ \textsf{按钮留下您的用户名，30号点第二个按钮提供您}\\ \textsf{的token。谢谢！}\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \end{array} }$

$\rule{40pt}{14pt}\kern{-36.5pt}\color{white} \raisebox{4.5pt}{\footnotesize\sf 我要参加}$

$\rule{40pt}{14pt}\kern{-37.5pt}\color{white} \raisebox{4.5pt}{\footnotesize\sf 提交token}$