我正在尝试将these按钮设置为固定大小。宽度为42像素，高度为25像素。由于某些原因，它们的尺寸不正确。只是标准之一。我一直在寻找解决方案，但可悲的是找不到。抱歉，如果我的代码有点混乱，我是一个初学者，正在尝试使某些事情起作用:)
这里是HTML和CSS代码
<!DOCTYPE html>
<html>
<head>
<title>Super epic game</title>
<link rel="stylesheet" type="text/css" href="mainstyles.css">
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<link href="https://fonts.googleapis.com/css?family=Lato:300&display=swap" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=0.45">
</head>
<body>
<div class="container">
<div id="speelkader"> <canvas id="canvas" style="background-color: black;"></canvas></div>
<div id="attributen">
<button id="rood" class="color-changer" data-color="red">Rood</button>
<button id="groen" class="color-changer" data-color="green">Groen</button>
<button id="blauw" class="color-changer" data-color="blue">Blauw</button>
<button id="paars" class="color-changer" data-color="purple">Paars</button>
<button id="oranje" class="color-changer" data-color="orange">Oranje</button>
<button id="geel" class="color-changer" data-color="yellow">Geel</button>
<button id="wit" class="color-changer" data-color="white">Wit</button>
<button id="gum" class="color-changer" data-color="black">Gum</button>
<input type="button" id="reset" value="Reset tekening" onClick="window.location.reload()">
<div id="clear"></div>
</div>
</div>
<p id="center">Hallo! Gebruik de WASD toetsen om te bewegen :)</p>
<script src="gameJS.js"></script>
</body>
</html>
CSS
*
{
margin: 0;
padding: 0;
}
.container{
width: 1359px;
margin: auto;
}
#speelkader{
margin-top: 20px;
background-color: transparent;
float: left;
padding-right: 10px;
}
#attributen{
margin-top: 20px;
background-color: gray;
width: 500px;
height: 800px;
float: left;
}
#clear {
clear: both;
}
canvas{
background-color: black;
height: 800px;
width: 800px;
}
#groen{
background-color: green;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#groen:hover{
background-color:darkgreen;
color: white;
transform: scale(1.15);
}
#rood{
background-color: red;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#rood:hover{
background-color:darkred;
color: white;
transform: scale(1.15);
}
#blauw{
background-color: blue;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#blauw:hover{
background-color:darkblue;
color: white;
transform: scale(1.15);
}
#paars{
background-color: purple;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#paars:hover{
background-color:rgb(92, 0, 92);
color: white;
transform: scale(1.15);
}
#oranje{
background-color: orange;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#oranje:hover{
background-color:darkorange;
color: white;
transform: scale(1.15);
}
#geel{
background-color: yellow;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#geel:hover{
background-color:rgb(233, 233, 0);
color: white;
transform: scale(1.15);
}
#wit{
background-color: white;
color: black;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#wit:hover{
background-color: whitesmoke;
color: black;
transform: scale(1.15);
}
#gum{
background-color: gray;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#gum:hover{
background-color: darkgray;
color: white;
transform: scale(1.15);
}
#reset{
background-color: darkred;
color: white;
width: 42px;
height: 25px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
-webkit-transition-duration: 0.1s;
transition-duration: 0.1s;
font-family: Lato;
border-color: black;
border-style: solid;
margin: 10px 10px 10px 10px;
}
#reset:hover{
background-color: rgb(114, 0, 0);
color: white;
transform: scale(1.15);
}
您已在样式中使用分隔的ID作为宽度和高度，并已将其全部使用ID高度和宽度删除。使用以下代码，该按钮的高度和宽度将相等。