斜めストライプを入れたCSS吹き出しデザイン
「repeating-linear-gradient」で斜めストライプを入れてます
<html style="max-height: 100%;"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta http-equiv="X-UA-Compatible" content="ie=edge"><style id="basic-style">body,#svg-section{font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body,svg{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}</style><style id="root-style">:root{--pic-image-data:none;}</style><style id="out-style">.pic-container {
display: flex;
justify-content: center;
align-items: center;
flex-direction: column;
width: 100vw;
height: 100vh;
padding: 0 6rem;
box-sizing: border-box;
background-color: #fefefe;
}
.box {
position: relative;
padding: 1rem;
border-radius: 5px;
border: 2px solid #333;
background: repeating-linear-gradient(45deg, #aAE8F2 0 3px, #e1ecef 3px 6px);
color: #333;
}
.box::before {
position: absolute;
top: 100%;
left: 50%;
transform: translateX(-50%);
height: 20px;
width: 2px;
background-color: #333;
content: "";
}
.box p {
line-height: 1.5;
}
</style><style id="pic-style"></style><style id="body-style">body,#svg-section {font-family:-apple-system,BlinkMacSystemFont,'Helvetica Neue','游ゴシック Medium',YuGothic,YuGothicM,'Hiragino Kaku Gothic ProN',メイリオ,Meiryo,sans-serif;}</style><link href="chrome-extension://nffaoalbilbmmfgbnbgppjihopabppdk/inject.css" type="text/css" rel="stylesheet"></head><body id="svg-section" contenteditable="true" style="width: 600px; height: 338px; transform-origin: left top; transform: scale(1);" class="vsc-initialized"><div class="pic-container pic-background">
<div class="box">
<p>斜めストライプを入れた吹き出しデザイン。斜めストライプを入れた吹き出しデザイン。斜めストライプを入れた吹き出しデザイン。</p>
</div>
</div>
</body></html>