body {
font-family: Times New Roman, serif;
}
.box {
width: 800px;
margin: 20px auto;
border: 1px solid gray;
padding: 20px;
}
h1 {
text-align: center;
color: blue;
}
h1 span {
color: red;
}
.orange {
color: orange;
font-size: 28px;
}
.yellow {
background: yellow;
}
.big {
font-size: 24px;
font-weight: bold;
color: gold;
}
.purple {
background: violet;
color: white;
}
.green {
background: lightgreen;
}
b {
font-weight: bold;
}