table.memory
{
    width:100%;
    border-spacing: 3px;
}

td.memory
{
    background-color:rgb(154, 196, 220);
    border:3px solid grey;
    height:20vh;
    width:20vw;
    text-align: center;
    box-sizing: border-box;
    padding:0px;
}

form.memory
{
    width:100%;
    height:100%;
}

input[type=submit].memory
{
    background-image:url("../memory/dos.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    width:100%;
    height:100%;
    background-color:white;
    font-style: bold;
    font-size:20px;
    cursor:pointer;
    box-sizing: border-box;
    border: none;
}

input[type=submit].memory:hover
{
    background-color: rgb(154, 196, 220);
}

img.memory
{
    max-width:98%;
    max-height:98%;
}