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I'm new to Latex and I need to make box that looks exactly like this. I've tried using tcolorbox but it just doesn't look the same as desired result

This is what I've had so far

 \documentclass[oneside]{article}
 \usepackage[utf8]{inputenc}
 \usepackage[most]{tcolorbox}
 \begin{document}
 \definecolor{main}{HTML}{5989cf}
 \definecolor{sub}{HTML}{cde4ff}
 \tcbset{sharp corners, colback = white, before skip = 0.2cm, after skip = 0.5cm }
 \newtcolorbox{boxH}{ colback = sub, colframe = main, boxrule = 0pt, leftrule = 6pt % left rule weight 
   }
 \begin{boxH}
   \textsf{\textbf{Claim}} -- We can prove. 
 \end{boxH}
 \begin{tcolorbox}[colback=red!5!white,colframe=red!75!black] 
   \textsf{\textbf{Claim}} -- We can prove $a<b$ 
 \end{tcolorbox}
 \end{document}
Stephen
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ngduchieu1903
  • 21
  • 2
    Welcome to TeX.SE! Can you show the code of what you have tried? – mickep Jul 11 '23 at 17:04
  • This is what I've had so far \documentclass[oneside]{article} \usepackage[utf8]{inputenc} \usepackage[most]{tcolorbox} \begin{document} \definecolor{main}{HTML}{5989cf} \definecolor{sub}{HTML}{cde4ff} \tcbset{sharp corners, colback = white, before skip = 0.2cm, after skip = 0.5cm } \newtcolorbox{boxH}{ colback = sub, colframe = main, boxrule = 0pt, leftrule = 6pt % left rule weight } \begin{boxH} \textsf{\textbf{Claim}} -- We can prove. \end{boxH} \begin{tcolorbox}[colback=red!5!white,colframe=red!75!black] \textsf{\textbf{Claim}} -- We can prove $a<b$ \end{document} – ngduchieu1903 Jul 11 '23 at 17:36
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    I suggest that you update your question with that code snippet. Perhaps also by adding a picture of the result. That way, it will be easier for the helpers to see what is needed. Cheers! – mickep Jul 11 '23 at 17:41
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    @ngduchieu1903: Can you provide a more descriptive title to your question, rather than stating something similar to "How do I do this?" Provide an abridged description of the problem you're facing. – Werner Jul 11 '23 at 19:59

1 Answers1

5
\documentclass[12pt]{article}

\usepackage[most]{tcolorbox}

\newtcolorbox{colorb}{
enhanced,
boxrule=0pt,frame hidden,
borderline west={2pt}{0pt}{green!50!black},
colback=green!05!white,
sharp corners
}

\begin{document}


\begin{colorb}
\textcolor{green!50!black}{\textbf{\textsf{Claim --}}} The only such function is $f(x)=0$.
\end{colorb}

\end{document}

enter image description here

Sebastiano
  • 54,118