@import url('https://fonts.googleapis.com/css2?family=Open+Sans&family=Poppins:ital,wght@0,300;0,400;0,500;1,300&display=swap');



body {
    font-family: "Open Sans", Arial, Tahoma, Geneva, sans-serif;
    margin: 0;
    padding: 0;
    color: #555;
    font-size: 1rem;
}

main {
    padding-bottom: 40px;
    user-select: none;
}

form {
    width: 100%;
}

h1 {
    font-size: 3em;
    line-height: 1.25em;
    margin-bottom: 0.2em;
    text-align: center;
}

h2 {
    font-size: 2em;
}

p {
    line-height: 1.5em;
}

a {
    color: SteelBlue;
}

a:hover {
    color: #36658c;
}

input[type="text"], input[type="email"], input[type="password"], select {
    padding: 0.6em 0.6em;
    font-size: 1em;
    width: 100%;
    border: 1px #333 solid;
    box-sizing: border-box;
}

input[type="text"]:focus, textarea:focus, input[type="email"]:focus, input[type="password"]:focus, select:focus {
    border: 1px SteelBlue solid;
    outline: 0;
}

input[type="text"], input[type="email"], input[type="password"], button, textarea, select {
    border-radius: 6px;
}

textarea {
    padding: 0.6em 0.6em;
    font-size: 1.231em;
    width: 100%;
    height: 100%; 
    box-sizing: border-box;
    border: 1px #333 solid; 
    line-height: 1.6em;       
}

label {
    margin: 1.4em 0 0.4em 0;
    clear: both;
    display: block;
}

button {
    background-color: SteelBlue;
    border: 1px SteelBlue solid;
    margin: 1em 0.1em 0 0;
    padding: 0.6em 1.2em;
    color: #fff;
    font-size: 0.9em;
    cursor: pointer;
    transition: 0.6s;
}

button:hover {
    background-color: #36658c;
    border: 1px #36658c solid;
}

.alt {
    background-color: transparent;
    border: 1px SteelBlue solid;
    color: #333;        
}

.alt:hover {
    background-color: transparent;
    border: 1px #36658c solid;
    color: SteelBlue;
}

ul {
    margin: 2em 0;
    list-style-type: circle;
}

li {
    line-height: 1.8em;
}

input[type="checkbox"] {
  top: 0.3em;
  position: relative;
  width: 1.4em; height: 1.4em;
}

input[type="radio"] {
    margin: 1.6em 0 2em 1em;
}

hr {
    border: 0;
    height: 1px;
    background: #555;
    margin: 2em 0;
}

@media screen and (max-width: 550px) {
  button {
    width: 100%;
  }
}

/* Application specific CSS */

div.banner {
    display: inline-block;
    margin: 0 20px;
    text-align: center;
    font-size: .95em;
    font-weight: 700;
}

#board {
    width: 1200px;
    height: 650px;
    margin: 10px auto;
}

#board table.twenty-four {
    margin: 10px auto;
}

#board table.twenty-four td.card div {
    width: 150px;
    height: 200px;
    border-radius: 15px;
}

#board table.twenty-four td.card div.front {
    position: absolute;
    border: solid 5px #fff;
    z-index: 0;
    text-align: center;
}

#board table.twenty-four td.card div.back {
    position: relative;
    z-index: 1;
    background-image: url("../images/black-back.png");
    background-image: url("../images/blue-back.png");
    background-size: contain;
}

#board table.fifty-two {
    margin: 10px auto;
}

#board table.fifty-two td.card div {
    width: 90px;
    height: 120px;
    border-radius: 5px;
}

#board table.fifty-two td.card div.front {
    position: absolute;
    z-index: 0;
    text-align: center;
}

#overlay {
    position: absolute;
    display: none;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: 10;
}

#overlay img {
    position: relative;
    display: none;
    height: 100%;
    text-align: center;
    vertical-align: center;
    margin: auto auto;
}

#board table.fifty-two td.card div.back {
    position: relative;
    z-index: 1;
    background-image: url("../images/blue-back.png");
    background-image: url("../images/black-back.png");
    background-size: contain;
}