*{
    margin:0%;
    padding:0%;
    box-sizing: border-box;
}

html,body{
    height:100%;
    width:100%;
}
#main{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: #0F2027;
    background: -webkit-linear-gradient(to bottom, #2C5364, #203A43, #0F2027);
    background: linear-gradient(to bottom, #2C5364, #203A43, #0F2027); 
}
#Head{
    margin: 25px;
    font-weight: bold;
    font-size: x-large;
    text-shadow: 2px 2px #3A6073;
}
#grid-container{
    width: 360px;
    height: 360px;
    display: grid;
    grid-template-columns: 120px 120px 120px;
    grid-template-rows: 120px 120px 120px;
    margin: 10px;
    background: #0f0c29;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to bottom, #24243e, #302b63, #0f0c29);
    background: linear-gradient(to bottom, #24243e, #302b63, #0f0c29);

    -webkit-box-shadow:0px 0px 100px 60px rgba(36,59,85,0.9);
    -moz-box-shadow: 0px 0px 100px 60px rgba(36,59,85,0.9);
    box-shadow: 0px 0px 100px 60px rgba(36,59,85,0.9);
}
.grid-item{
    border: 1px solid black;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: xxx-large;
    font-weight: bold;
    font-family: "Permanent Marker", cursive;
}
.grid-item:hover{
    cursor: pointer;
}
.msg{
    font-weight: bold;
    font-size: xx-large;
    margin-top: 30px;
    text-shadow: 2px 2px #3A6073;
}
button{
    font-size: 25px;
    background-color: #606c88;
    border: none;
}
button:hover{
    cursor: pointer;
}