.container {
max-width: 750px;
margin: 0 auto;
}
fieldset {
border: 2px solid black; 
margin-bottom: 10px;
padding-left: 15px;
padding-right: 15px;
}
fieldset legend {
margin-bottom: 0.3em;
padding: 0 0.5em;
font-weight: bold;
}
.form-group {
margin-bottom: 15px;
}
label {
display: block;
margin-bottom: 10px;
font-weight: bold;
color: #333;
}
select,
input[type="number"],
input[type="text"] {
width: 100%;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 16px;
color: #333;
background-color: #fff;
}
select:focus,
input[type="number"]:focus,
input[type="text"]:focus {
outline: none;
border-color: #333;
}
.button-group {
display: flex;
justify-content: space-between;
align-items: center;
}
button[type="button"] {
background-color: #4CAF50;
color: white;
border: none;
padding: 10px 20px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
cursor: pointer;
border-radius: 5px;
}
button[type="reset"] {
background-color: #f44336;
color: white;
border: none;
padding: 10px 20px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
margin: 4px 2px;
cursor: pointer;
border-radius: 5px;
}
button:hover {
opacity:0.8;
}
.output {
background: #d2e1d2 !important;
border: 1px solid #ccc !important;
}