Convert Case

#crist-wrapper-convertcase {width: 100%;margin:5px;display: inline-block;}
.convertcase-kiri{width: 69%;float: left;}
.convertcase-kanan{width: 29%;float: right;text-align: left;}
.convertcase-kanan button{display: block;}
#aw-convertcase{width:100%;height:600px;padding:3px;font-size: 15px;color:#080808}
#aw-convertcase:focus{outline:none;background:#fff;border-color:#66afe9;box-shadow:inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,0.6)}
@media only screen and (max-width:640px){
.convertcase-kanan,.convertcase-kiri{float:none;width:95%;}
.convertcase-kanan button{display:inline;}
#aw-convertcase{height:300px;}
}

var cymtext;
function uppercase(){cymtext = document.getElementById(“aw-convertcase”);cymtext.value = cymtext.value.toUpperCase();}
function lowercase(){cymtext = document.getElementById(“aw-convertcase”);cymtext.value = cymtext.value.toLowerCase();}