h1 {
    text-align: center;
    color: #ffff;
}
.cRed {
    color: red;
}
.cGreen {
    color: green;
}
.cBlue {
    color: blue;
}
.s20 {
    font-size: 20px;
}
.s25 {
    font-size: 25px;
}
.s30 {
    font-size: 30px;
}
.header-main {
    width: 100%;
    height: 40px;
    background-color: #000;  
}
.image {
    width: 75px;
}