#settings{
    text-align: center;
    justify-content: center;
    margin-top: 20px;
    margin-bottom: 10px;
}

body.dark{
    background-color: #333333;
    color: white;
}

.hidden{
    display: none;
}

label {
    margin-top: 5px;
}

.title{
    margin: 0px;
    display: inline-block;
    margin-left: 20px;
    margin-right: 20px;
}

#start{
    text-align: center;
    justify-content: center;
    display: inline-flex;
    margin-top: 20px;
}

#buttons{
    display: flex;
    justify-content: center;
}

button{
    margin: 5px;
}

#solve{
    text-align: center;
    justify-content: center;
    display: inline-flex;
    margin-top: 20px;}

h1{
    text-align: center;
    font-size: 4rem;
    margin: 0px;
    margin-top: 10px;
}

h2{
    text-align: center;
    margin: 0px;
}

#number-container > div{
    border: 1px solid black;
    border-radius: 20%;
    width: 60px;
    height: 60px;
    font-size: 40pt;
    margin: 5px;
    margin-left: 50px;
    text-align: center;
}

#board{
    padding-top: 10px;
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    align-content: flex-start;
    width: 600px;
    height: 600px;
}

#game{
    display: flex;
    justify-content: center;
}

#hud{
    display: block;
    justify-content: center;
    margin-top: 15px;
}

.tile{
    border: 1px solid black;
    width: 60px;
    height: 60px;
    margin: 0px;
    text-align: center;
    font-size: 50px;
}

p#timer, p#lives{
    font-size: 25px;
    font-weight: bold;
    text-align: center;
    margin: 0px;
}

.bottomBorder{
    border-bottom: 4px solid black;
}

.rightBorder{
    border-right: 4px solid black;
}

.selected{
    background-color: lightblue;
}

p.incorrect{
    color: red;
}