.dialog {
width: 200px;
height: 135px;
background: #888;
border-radius: 24px;
position: relative;
top: 30px;
padding: 8px 6px;
z-index: 0;
font-size: 11px;
line-height: 1.5;
}
.dialog:after {
content: "";
position: absolute;
bottom: 41px;
right: -34px;
width: 0;
height: 0;
border-bottom: 60px solid #888;
border-right: 80px solid transparent;
transform: rotate(25deg);
z-index: -1;
}
参考链接:CSS绘制三角形和箭头