您好，我试图通过单击按钮来执行下拉菜单，但是其元素很大，我在做什么错呢？我真的很喜欢发疯，请您能帮助我从事编码艺术吗？丑陋没有任何问题编辑：我已经更新并发布了完整的CSS代码，以查看你们是否可以帮助我
html {
background: #e6e9e9;
background-image: linear-gradient(270deg, rgb(230, 233, 233) 0%, rgb(216, 221, 221) 100%);
-webkit-font-smoothing: antialiased;
}
body {
background: #fff;
box-shadow: 0 0 2px rgba(0, 0, 0, 0.06);
color: #545454;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: 16px;
line-height: 7.5;
margin: 0 auto;
padding: 2em 2em 4em;
}
.button {
background-color: #4a7bb5;
border: none;
color: white;
padding: 5px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-family: cute;
font-size: 32px;
}
.button:hover{
box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
background-color: #4a7bb5;
border: none;
color: white;
padding: 5px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-family: cute;
font-size: 32px;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f1f1f1;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {background-color: #ddd;}
.dropdown:hover .dropdown-content {display: block;}
.dropdown:hover .dropbtn {background-color: #3e8e41;}
p {
font-size: 20px;
font-weight: 500;
color: #52d6ff;
}
h1, h2, h3, h4, h5, h6 {
color: #237543;
font-weight: 600;
line-height: 0;
font-size: 50px;
}
hr { display: block; height: 1px;
border: 1; border-top: 1px solid #ccc;
margin: 1em 0; padding: 0; }
h2 {
margin-top: 1.3em;
}
a {
color: #0083e8;
}
b, strong {
font-weight: 600;
}
samp {
display: none;
}
img {
background: transparent;
}
@keyframes colorize {
0% {
-webkit-filter: grayscale(100%);
filter: grayscale(100%);
}
100% {
-webkit-filter: grayscale(0%);
filter: grayscale(0%);
}
}
@font-face {
font-family:cute;
src: url(cute.ttf);
}
@font-face {
font-family:opensans;
src: url(opensans.ttf);
} <HR size=2 style="color: aqua"></HR>
<button class="button" onclick="mainpage();">Main Page</button>
<div class="dropdown">
<button class="button">Art</button>
<div class="dropdown-content">
<a href="#">Acrilic</a>
<a href="#">Carvão</a>
<a href="#">Paint</a>
</div>
</div>您的<body>具有line-height: 7.5样式，已被下拉菜单的锚标记继承。
要么删除此样式，要么在<body>和.dropdown-content a元素之间的某个位置进行重置。例如：
.dropdown {
...
line-height: normal;
}
html {
background: #e6e9e9;
background-image: linear-gradient(270deg, rgb(230, 233, 233) 0%, rgb(216, 221, 221) 100%);
-webkit-font-smoothing: antialiased;
}
body {
background: #fff;
box-shadow: 0 0 2px rgba(0, 0, 0, 0.06);
color: #545454;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: 16px;
line-height: 7.5;
margin: 0 auto;
padding: 2em 2em 4em;
}
.button {
background-color: #4a7bb5;
border: none;
color: white;
padding: 5px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-family: cute;
font-size: 32px;
}
.button:hover{
box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
background-color: #4a7bb5;
border: none;
color: white;
padding: 5px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-family: cute;
font-size: 32px;
}
.dropdown {
position: relative;
display: inline-block;
line-height: normal;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f1f1f1;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown-content a:hover {background-color: #ddd;}
.dropdown:hover .dropdown-content {display: block;}
.dropdown:hover .dropbtn {background-color: #3e8e41;}
p {
font-size: 20px;
font-weight: 500;
color: #52d6ff;
}
h1, h2, h3, h4, h5, h6 {
color: #237543;
font-weight: 600;
line-height: 0;
font-size: 50px;
}
hr { display: block; height: 1px;
border: 1; border-top: 1px solid #ccc;
margin: 1em 0; padding: 0; }
h2 {
margin-top: 1.3em;
}
a {
color: #0083e8;
}
b, strong {
font-weight: 600;
}
samp {
display: none;
}
img {
background: transparent;
}
@keyframes colorize {
0% {
-webkit-filter: grayscale(100%);
filter: grayscale(100%);
}
100% {
-webkit-filter: grayscale(0%);
filter: grayscale(0%);
}
}
@font-face {
font-family:cute;
src: url(cute.ttf);
}
@font-face {
font-family:opensans;
src: url(opensans.ttf);
}<HR size=2 style="color: aqua"></HR>
<button class="button" onclick="mainpage();">Main Page</button>
<div class="dropdown">
<button class="button">Art</button>
<div class="dropdown-content">
<a href="#">Acrilic</a>
<a href="#">Carvão</a>
<a href="#">Paint</a>
</div>
</div>