body{
    font-family: 'Zen Kurenaido', sans-serif;
    background-color: #2a6f97;
    text-align: center;
}

#container {
    text-align: center;
     padding: 1em;
}

#sudokuBoard{
    padding: 2em;
}

table{
    border-collapse: collapse;
    font-size: 2em;
    margin: auto;
    border-color: white;
}

colgroup, tbody{
    border: solid medium;
}

td{
    border: solid thin white;
    border-color: white;
    height: 1.4em;
    width: 1.4em;
    text-align: center;
    text-decoration-color: rgb(248, 250, 248);
    color: white;
    padding: 0;
}

.btn{
    margin-top: 3em;
    font-size: 2em;
    background: none;
    color: white;
    border: 2px solid black;
    margin: 3em;
    padding: 1em 5em;
    font-size: 1em;
    transition: color 0.25s,boder-color 0.25s,box-shadow 0.25s,transform 0.25s;
}

.btn:hover{
    border-color: #a6e1fa;
    color: white;
    box-shadow: 0 0.5em 0.5em -0.4em white;
    transform: translateY(-0.25em);
    cursor: pointer;
}

.padd{
    font-size: 4em;
    padding-bottom: 50px;
    padding-top: 25px;
    color: white;
    text-transform: uppercase;
    text-decoration-line: 2px underline;
}


 .footer{
   /* font-weight: bold;
    color: white;
    clear: both;
    position: relative;
    padding: 2em;
    padding-bottom: 1em;
    background-color:  #1c2331; */
    font-weight: bold;
    /* clear: both; */
    /* position: relative; */
    /* margin-top: 25px; */
    color: white;
    padding: 2em;
    padding-bottom: 1em;
    background-color:  #1c2331;

    position: relative;
    left: 0;
    bottom: 0;
    width: 100%;
    /* background-color: red; */
    /* color: white; */
    text-align: center;

}

@media screen and (max-width: 800px){
    .btn{
        margin-top: 1.5em;
        font-size: 21em;
        background: none;
        color: white;
        border: 2px solid black;
        margin: 1.5em;
        padding: 1em 2em;
        font-size: 1em;
        transition: color 0.25s,boder-color 0.25s,box-shadow 0.25s,transform 0.25s;
    }
    .footer{
        margin-top: 50px;
    }
}