val*_*als 11
使网格适应自动,并更改.chat宽度
html,body{
height: 100vh;
width: 100wh;
padding: 0;
margin: 0;
color: #e6e6e6;
}
body{
display: grid;
grid-template-columns: 9fr auto;
grid-template-rows: 50px auto 50px;
grid-template-areas: "header header"
"main chat"
"footer footer";
}
.chat{
grid-area: chat;
background-color: brown;
overflow: auto;
width: 300px;
transition: all 1s;
}
.header{
grid-area: header;
background-color: black;
}
.main{
grid-area: main;
background-color: maroon;
}
.footer{
grid-area: footer;
background-color: #222;
}
body:hover .chat {
width: 0px;
}Run Code Online (Sandbox Code Playgroud)
<div class="header">
header
</div>
<div class="main">
main
</div>
<div class="chat">
chat
</div>
<div class="footer">
footer
</div>Run Code Online (Sandbox Code Playgroud)
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