我在一个透明元素下面有几个元素（它里面有一些可见的东西）。但似乎填充不允许鼠标事件通过。我有它，所以当鼠标悬停在一个较低的元素上时，它会改变颜色，然后当它离开时，它会慢慢变回原来的颜色。但是对于上面的元素覆盖它们的区域，悬停不会通过。有谁知道如何让这些事件传递到较低的元素？
HTML
<body>
<div id="background">
<canvas class="gridBox" id="grid1x1"></canvas>
<canvas class="gridBox" id="grid2x1"></canvas>
<canvas class="gridBox" id="grid3x1"></canvas>
...
<canvas class="gridBox" id="grid18x8"></canvas>
</div>
<div id="header">
<p id="logo"><img src="img/logo.png"></p>
</div>
<div id="content">
<p>Nothing here yet</p>
</div>
<div id="footer">
</div>
</body>
CSS
body,html{
padding:0;
margin:0;
}
#background{
padding:0;
margin:0;
width:110%;
height:100%;
z-index:-1;
position:fixed;
top:0;
left:0;
overflow:visible;
line-height: 0;
}
.gridBox{
margin:0;
padding:0;
height:50px;
width:50px;
border:1px solid #000000;
background:black;
transition:background-color 1s linear;
}
.gridBox:hover{
background-color:green;
transition:background-color 0s linear;
}