这是我的索引文件，每当我运行它时，css都不起作用。我有点确定，我把正确的参考链接从我的css文件。但我不知道为什么它不起作用。
<!DOCTYPE html>
<html>
<head>
<title>Index</title>
<link rel="stylesheet" type="text/css" href="~/Views/Control_calci/style.css" />
</head>
<body>
<form class="calculator" name="calc">
<input class="value" type="text" name="txt" readonly="">
<span class="num clear" onclick="document.calc.txt.value =''">c</span>
<span class="num" onclick="document.calc.txt.value +='/'">/</span>
<span class="num" onclick="document.calc.txt.value +='*'">x</span>
<span class="num" onclick="document.calc.txt.value +='7'">7</span>
<span class="num" onclick="document.calc.txt.value +='8'">8</span>
<span class="num" onclick="document.calc.txt.value +='9'">9</span>
<span class="num" onclick="document.calc.txt.value +='-'">-</span>
<span class="num" onclick="document.calc.txt.value +='4'">4</span>
<span class="num" onclick="document.calc.txt.value +='5'">5</span>
<span class="num" onclick="document.calc.txt.value +='6'">6</span>
<span class="num plus" onclick="document.calc.txt.value +='+'">+</span>
<span class="num" onclick="document.calc.txt.value +='3'">3</span>
<span class="num" onclick="document.calc.txt.value +='2'">2</span>
<span class="num" onclick="document.calc.txt.value +='1'">1</span>
<span class="num" onclick="document.calc.txt.value +='00'">00</span>
<span class="num" onclick="document.calc.txt.value +='.'">.</span>
<span class="num equal" onclick="document.calc.txt.value = eval(calc.txt.value)">=</span>
</form>
</body>
</html>
这是我的css文件。当我运行代码时，它应该看起来像一个计算器，但当我运行项目时，它不应用css。
@import url('https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,800,900&display=swap');
*
{
margin:0;
padding:0;
box-sizing:border-box;
font-family: 'Poppins' , sans-serif;
}
body
{
display: flex;
justify-content: center;
align-items: center;
min-height:100vh;
background: #091921;
}
.calculator
{
position:relative;
display:grid;
}
.calculator .value
{
grid-column: span 4;
height: 100px;
text-align: right;
border: none;
outline: none;
padding: 10px;
font-size: 18px;
}
.calculator span
{
display:grid;
width:60px;
height:60px;
color:#fff;
background:#0c2835;
align-items: center;
border: 1px solid rgba(0,0,0,.1);
}
.calculator span:active
{
background: #74ff3b;
color: #111;
}
.calculator span.clear
{
grid-column: span 2;
width: 120px;
background: #ff3077;
}
.calculator span.plus
{
grid-row: span 2;
height: 120px;
}
.calculator span.equal
{
background: #03b1ff;
}
我通过将css文件放在索引文件中解决了这个问题，但我仍然有一个问题。所有的按钮都没有对齐，因为它应该在这里输入图像描述