p img{border:1px solid#000;} 
.yellow-box {
background-color: #ffffcc;
padding: 20px;
border: 2px solid #ccc;
}
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}
.note {
    background-color: #fffa90;
    padding: 10px;
    margin: 10px 0;
    border-left: 3px solid #ffeb3b;
}
pre {
    background-color: #f4f4f4;
    border: 1px solid #ddd;
    padding: 10px;
    overflow: auto;
    font-weight: bold;
}
.command {
    font-weight: bold;
}