body{
    background-color: #666;
}


header{
    text-align: center;
    background-color: #333;
    padding:20px;
    position: relative;
}
header h1{
    color: #fff;
    font-size:18px;
}

header .back{
    position: absolute;
    left: 10px;
    top: 10px;
    width: 40px;
}
header .back img{
    width: 100%;
}

.content{
    padding: 20px;
}


#uploadFile{
    margin-top: 10px;
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
    display: block;
    color: #fff;
}


#posting{
    border: none;
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
    display: block;
    border-radius:5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    padding: 10px;
    text-align: center;
    width: 100%;
    background-color: #fff;
    font-size:18px;
    color: #666;
}


#myCanvas{
    border-radius:10px;
    -webkit-border-radius:10px;
    -moz-border-radius:10px;
}