html{
    font-size: 20px;
}
body{
    background-color: antiquewhite;
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}
#container{
    width: 80%;
    margin: 0 auto;
    font-size: 1.5rem;
}

#container select{
    font-size: 1.5rem;
    padding: 2px 12px;
}

#test{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    padding: 20px 0;
}
#test > div{
    height: 150px;
    width: 20%;
    display: flex;
    justify-content: center;
    align-items: center;
}
#number1 {
    background-color:darkmagenta;
    color: white;  
}

#number2 {
    background-color:darkorange;
    color: white;   
}

#result{
    height: 100%;
    font-size:3rem;
    max-width: 100%;
    text-align: center;
}

#alert{
    margin-top: 5px;
    padding: 10px 0 ;
    text-align: center;
    color: white;
}

.check{
    display: block;
    font-size: 2rem;
    width: 100%;
    padding: 20px 0;
    background-color: forestgreen;
    color: white;
    border: 1px solid black;
    text-align: center;
    text-decoration: none;
}

.success {
    background-color: green;
}

.danger{
    background-color: red;
}

footer{
    width: 100%;
    text-align: center;
    position: fixed;
    bottom:0;
    padding: 10px 0;
}