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

body {
    font-family: 'Times New Roman', Times, serif;
    background-color: aliceblue;
    margin: 5%;
}

header {
    background-color: green;
    padding: 5px;
    color: white;
    border-radius: 30px;

    h1 {
        padding: 10px;
        font-style: italic;
    }
}

.cards {
    margin-top: 30px;
    display: grid;
    grid-template-columns: auto auto auto;
    gap: 30px;
}

@media only screen and (max-width: 800px) {
  .cards {
    display: grid;
    grid-template-columns: auto auto;
  }
}

@media only screen and (max-width: 600px) {
  .cards {
    display: grid;
    grid-template-columns: auto;
  }
}

.card {
    border: 1px solid;
    padding: 10px;
    line-height: 1.8;
    text-align: center;
    background-color: white;
    border-radius: 10px;
    color: blueviolet;
    letter-spacing: 2px;
}

.cardID {
    color: gray;
}

.read-toggle {
    margin-bottom: 20px;
    margin-left: 15px;
}

dialog {
    position: absolute;
    justify-self: center;
    left: 5%;
    padding: 20px;
    border: 1px solid green;

    .inputSt {
        width: 250px;
        height: 40px;
        padding: 10px;
        border: none;
        border-bottom: 1px solid green;
        border-radius: 10px;
    }
} 

.Cbook {
    background-color: black;
    padding: 5px;
    border-radius: 5px;
    color: white;
    font-size: 1em;
    text-align: center;
    font-style: italic;
    margin-bottom: 15px;
}

button {
    width: 110px;
    height: 30px;
    font-size: 12px;
    border-radius: 50px;
    background: none;
    border: none;
    background-color: blue;
    color: white;
    font-weight: bolder;
}

.read-toggle {
    background-color: darkgreen;
}

#closeBtn {
    background-color: rgb(60, 60, 60);
    color: white;
}

button:active {
    background-color: darkblue;
}

#delete_card {
    background-color: tomato;
}

#delete_card:active {
    background-color: darkred;
}