body {
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    background-color: #030E29;
    color: #0152B3;
    
}

hr {
    width: 85%;
    
}

#errors {
    color: #0152B3;
    font-size: 30px;
    margin-top: 10px;
    margin-bottom: 5px;
}

span {
    font-weight: bold;
    font-size: 25px;
    margin-bottom: 5px;
    color: #0152B3;
}

#board {
    width: 454px;
    height: 454px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    border: 1px solid white;
    
}

.tile {
    width: 48px;
    height: 48px;
    border: 1px solid white;
    background-color: transparent;
    color: #0152B3;
    /* text */
    font-size: 20px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}

#digits {
    width: 450px;
    height: 200px;


    display: none;
    flex-wrap: wrap;
    gap: 35px;
    justify-content: center;
    margin: auto;
    

}

.number {
    width: 65px;
    height: 65px;
    border-radius: 10px;
    
    color: #00E175;
    /* text */
    font-size: 30px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #0070EE;

}

.number-selected {
    background-color: white;
}

.tile-start {
    background-color: #0151b349;
    color: #00E175;
    
    
}

.horizontal-line {
    
    margin-bottom: 2px ;
}

.vertical-line {
    margin-right: 2px;
}

#main {
    display: flex;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;

}

#part1 {
    margin: 0px 50px 0 50px;
    

}

#part2 {
    margin: 0px 50px 0 50px;
    background-color: #082055;
    border-radius: 30px;
    

}

#btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 450px;
    height: 450px;
    
    flex-wrap: wrap;

}

#start {
    width: 100px;
    height: 40px;
    margin: 20px 10px 10px 10px;
    border: none;
    border-radius: 15px;
    font-size: large;
    font-weight: bold;
    background-color: #01ADFF;
    color: white;
}

#pause {
    width: 100px;
    height: 40px;
    margin: 20px 10px 10px 10px;
    display: none;
    border: none;
    border-radius: 15px;
    font-size: large;
    font-weight: bold;
    background-color: #01ADFF;
    color: white;
}

#restart {
    width: 100px;
    height: 40px;
    margin: 20px 10px 10px 10px;
    display: none;
    border: none;
    border-radius: 15px;
    font-size: large;
    font-weight: bold;
    background-color: #01ADFF;
    color: white;
}

@media screen and (max-width:673px) {
    #main{
        flex-wrap: wrap;
        margin: 0 auto;
        
    }
}