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请查看此代码笔链接
想把家旁边的正方形变成三 Angular 形倒过来。当我悬停时 - 它工作正常
https://codepen.io/shaswat/pen/gXLBwo
请帮我把那个正方形变成三 Angular 形。创建一个导航栏
在我通过转换为上行使其正常工作后悬停
/* Menu CSS */#cssmenu,
#cssmenu > ul {
background: black;
padding-bottom: 3px;
}
#cssmenu:before,
#cssmenu:after,
#cssmenu > ul:before,
#cssmenu > ul:after {
content: "";
display: table;
box-sizing: border-box;
}
#cssmenu:after,
#cssmenu > ul:after {
clear: both;
}
#cssmenu {
width: auto;
zoom: 1;
}
#cssmenu > ul {
background: blue;
margin: 0;
padding: 0;
position: relative;
}
#cssmenu > ul li {
margin: 0;
padding: 0;
list-style: none;
}
#cssmenu > ul > li {
float: left;
position: relative;
}
#cssmenu > ul > li > a {
padding: 15px 25px;
display: block;
color: white;
font-size: 13px;
text-decoration: none;
text-transform: uppercase;
text-shadow: 0 -1px 0 #0d0d0d;
text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.7);
}
#cssmenu > ul > li:hover > a {
background: red;
text-shadow: 0 -1px 0 #97321f;
text-shadow: 0 -1px 0 rgba(122, 42, 26, 0.64);
}
#cssmenu > ul > li.active > a,
#cssmenu > ul > li > a.active {
background: grey;
}
/* Childs */
#cssmenu > ul ul {
opacity: 0;
visibility: hidden;
position: absolute;
top: 50px;
background: green;
margin: 0;
padding: 0;
z-index: -1;
}
#cssmenu > ul li:hover ul {
opacity: 1;
visibility: visible;
margin: 0;
color: #000;
z-index: 2;
top: 50px;
left: 0;
}
#cssmenu > ul ul:before {
content: "";
position: absolute;
top: -10px;
width: 100%;
height: 18px;
background: transparent;
}
#cssmenu > ul ul li {
list-style: none;
padding: 0;
margin: 0;
width: 100%;
}
#cssmenu > ul ul li a {
padding: 15px 26px;
display: block;
color: white;
font-size: 14px;
text-decoration: none;
width: 150px;
border-left: 4px solid transparent;
-webkit-transition: all 0.50s ease-in-out;
-moz-transition: all 0.50s ease-in-out;
-ms-transition: all 0.50s ease-in-out;
transition: all 0.50s ease-in-out;
}
#cssmenu > ul ul li a:hover {
border-left: 10px solid #d64e34;
background: grey;
}
#cssmenu > ul ul li a:active {
background: green;
}
#cssmenu li a:first-child:nth-last-child(2):before {
content:"";
position: absolute;
height: 0;
width: 0;
border: 8px solid orange;
top: 40%;
right: 5px;
}
#cssmenu li:hover > a:first-child:nth-last-child(2):before {
border: 8px solid transparent;
border-bottom-color: orange;
margin-top: -5px;
}<div id='cssmenu'>
<ul>
<li><a href='#'>Home</a>
<ul>
<li><a href='#'>Product 1</a></li>
<li><a href='#'>Product 2</a></li>
<li><a href='#'>Product 3</a></li>
</ul>
</li>
<li><a class='active' href='#'>Products</a></li>
<li><a href='#'>About</a></li>
<li><a href='#'>Contact</a></li>
</ul>
</div>最佳答案
在第 119 行，将橙色替换为透明。并添加 border-top-color: orange;.如果您制作 border-bottom-color 而不是 border-top-color 箭头将被反转。
border: 8px solid transparent;
border-top-color: orange;
关于html - 如何在CSS中将这个盒子变成三 Angular 形，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/47188029/