html, body {
    margin: 0;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -o-user-select: none;
    user-select: none;
}

#header{
    width:100%;
    height: 40px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 25px;
    font-weight: bold;
    margin-top: 5px;
}

#saveAsPNG,#clearCanvas{
    background-color: red;
    color:white;
    margin-top: 2px;
    width:200px;
    height: 40px;
    font-size: 20px;
}

#clearCanvas{
    margin-bottom: 50px;
}

button{
    background-color: red;
    color: white;
    margin-left:15px;
    width:100px;
    height: 30px;
}

.btn{
    font-size: 20px;
    margin-top: 2px;
    width:30px;
    height:30px;
    margin-left: 20px;
}


/* The alert message box */
.alert {
    padding: 10px;
    background-color: #f44336; /* Red */
    color: white;
    opacity: 1;
    transition: opacity 0.6s; /* 600ms to fade out */
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

/* The close button */
.closebtn {
    margin-left: 15px;
    margin-right: 30px;
    color: white;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
}

/* When moving the mouse over the close button */
.closebtn:hover {
    color: black;
}