What is it?

It’s logo text, you can open the file: skin/frontend/default/jm_megamall/css/style.css, at approx line 2099, you will see this css rule:

Code:

#logo a {
    background-position: left top;
    background-repeat: no-repeat;
    color: #555
    display: block;
    font-size: 26px;
    min-height: 94px;
    min-width: 271px;
    padding: 0;
    text-decoration: none;
    text-indent: -999px;
    text-transform: uppercase;
}

replace it with:

Code:

#logo a {
    background-position: left top;
    background-repeat: no-repeat;
    color: #555
    display: block;
    font-size: 26px;
    min-height: 94px;
    min-width: 271px;
    padding: 0;
    text-decoration: none;
    text-indent: -9999px;
    text-transform: uppercase;
}

thank you!