tradeCountStyle.css

/*-- CARD COUNT MOD --*/

/* background overlay */
.cIOverlay {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background: #fff;
    background: rgba(255,255,255,0.9);
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* instruction text */
.cIOverlay span {
    display: block;
    color: #000;
    text-align: justify;
    width: 30%;
    font-weight: bold;
    cursor: default;
}

/* textarea to input cards */
.cIOverlay textarea {
    width: 30vw;
    padding: 2px;
    height: 100px;
    background: #fff;
    border: 1px solid #000;
    outline: none;
}

/* button to count cards */
.cIOverlay input {
    margin: 5px 0;
    width: 30.5vw;
    cursor: pointer;
    background: #eee;
    color: #000;
    border: 1px solid #333;
    font-size: 20px;
    outline: none;
}
/* close button */
.cIOverlay input[value=X] {
    font-size: 15px;
    width: 28px;
    height: 28px;
    border-radius: 50px;
    position: fixed;
    right: 30%;
    top: 30%;
}
/* hover effect over buttons */
.cIOverlay input:hover {
    background: #888;
    color: #fff;
}

/* text displaying card amount */
.cIOverlay #countText {
    text-align: center;
    font-size: 25px;
}

/* button added into your html */
.cardCountButton {
    cursor: pointer;
    font-size: 15px;
    font-weight: bold;
    color: #000;
    background: #eee;
    border: 5px outset #666;
    outline: none;
    float: right;
}
/* html button after it's been clicked/while in use */
.cardCountButton:focus {
    border: 5px inset #666;
}