header h2 {
    text-align: center;
    font-weight: bold;
    font-size: 1.5em;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-style: ital;
}
.content1{
    max-width: 800px;
    font-size:14px;
    background-color:white;
    color:blue;
    margin:auto;
    padding:30px 30px;
}
#learn{
    background-color:rgba(255,255,0,0.5)
}
#learn a:hover{
    background-color:aqua;
    color: red;
}
img
{
    display:block;
    max-width:100%;
    border-radius:5px;
    margin-left: auto;
    margin-right: auto;
    height:auto;
    width:500px;
}