a5.css

#aa {
    font-family: arial;
    color: red;
    background-color: yellow;
    border: 3px solid green;
    text-decoration: overline;
    border-radius: 10px;
    width: 70%;
    margin: 50px auto;
    text-align: center;
    padding-top: 20px;
    padding-bottom: 20px;
}

#bb {
    font-family: arial;
    color: blue;
    background-color: white;
    border: 3px solid red;
    text-decoration: line-through;
    border-radius: 22px;
    width: 50%;
    margin: 80px auto;
    text-align: right;
    padding-top: 20px;
    padding-bottom: 20px;
}

#cc {
    font-family: cursive;
    color: yellow;
    background-color: red;
    border: 3px solid blue;
    text-decoration: none;
    border-radius: 5px;
    width: 80%;
    margin: 80px auto;
    text-align: right;
    padding-top: 20px;
    padding-bottom: 20px;
}