.hidden {
    display: none!important;
}

html {
    color: #f0f0f5;           /* aliceblue → #f0f0f5 */
    background-color: #010101; /* black → #010101 */
}

body {
    font-size: medium;
}

body #windowBox {
    display: inline-block;
    border-top: 2px solid #f5f5f5;
    border-left: 2px solid #f5f5f5;
    border-right: 2px solid #c0c0c1; /* #c0c0c0 → #c0c0c1 */
    border-bottom: 2px solid #c0c0c1;
    box-shadow: 5px 5px rgba(162, 70, 255, 0.562);
    padding: 3px;
    background-color: #c0c0c1; /* 살짝 변경 */
    width: 18rem;
    height: 158px;
}

body .window {
    display: flex;
    justify-content: space-between;
    background: #0000AB; /* #0000AA → #0000AB */
}

body .window #xxx {
    background: linear-gradient(#0000AB 20%, #f5f5f5 20%, #f5f5f5 25%, #c0c0c1 25%, #c0c0c1);
    color: #010101; /* black → #010101 */
    font-size: small;
    font-weight: bold;
    margin: 0 4px 4px 4px;
    box-shadow: 1px 1px #010101;
    cursor : pointer;
}

body .windowText {
    margin: 1px 0 0 2px;
    font-size: 14px;
}

body .winMenuText .underline {
    text-decoration: underline;
}

body .winMenu {
    background-color: #c0c0c1;
    border-bottom: 1px solid #949495;
}

body .winMenu .winMenuText {
    color: #010101;
    font-size: 0.8rem;
}

#errorTextBox {
    margin-top: 0.5rem;
    padding: 1px 0 2px 0.3rem;
    height: 0.8rem;
    color: #010101;
    font-size: xx-small;
    border-top: 1px solid #949495;
    border-left: 1px solid #949495;
    border-right: 1px solid #f5f5f5;
    border-bottom: 1px solid #f5f5f5;
}

#player {
    height: 65px;
}

.justCss {
    background-color: #fefefe; /* #ffffff → #fefefe */
    color: #010101;
    border-left: 1px solid #949495;
    border-right: 1px solid #f5f5f5;
    padding: 0 0 0 2px;
}

#blueScreen {
    background-color: #0000AB;
    color: #fefefe;
    margin: 25vh 4vh 0 4vh;
    text-align: center;
    height: 100vh;
}

#blueScreen .blueScreenTittle {
    background-color: #fefefe;
    color: #0000AB;
    width: 5rem;
    margin: 0 auto 2rem;
    font-size: large;
}

#blueScreen span{
    display: block;
    font-size: large;
    font-family: 궁서;
}

#blueScreen #blueScreenTextbox{
    text-align: left;
    margin: 0 15% 0 15%;
}

#blueScreen .blueScreenText{
    margin: 4vh 0 4vh 0;
}

#history {
    margin: 1rem 0 0 2rem;
    width: 100px;
    text-align: center;
    background-color: #c0c0c1;
    border-top: 4px solid #f5f5f5;
    border-left: 4px solid #f5f5f5;
    border-right: 4px solid #c0c0c1;
    border-bottom: 4px solid #c0c0c1;
    box-shadow: 5px 5px rgba(162, 70, 255, 0.562);
}

#history div span{
    display: block;
    background-color: #0000AB;
    color: #fefefe;
    border-bottom: 4px solid #c0c0c1;
    font-size: 14px;
}

#history text {
    margin: 0 auto;
    width: 64px;
}

#history text #selectBox{
    height: 20vh;
    overflow: auto;
    color: #010101;
    background-color: #fefefe;
    border-top: 1px solid #949495;
    border-left: 1px solid #949495;
    border-right: 1px solid #f5f5f5;
    border-bottom: 1px solid #f5f5f5;
}

#ver {
    margin-top: 1rem;
    opacity: 0.2;
}

#ver div {
    margin-top: 10px;
    text-decoration: underline;
    text-underline-position: under;
    font-size: small;
}