body {
    background-color: #030000;
    background-image: url(/assets/images/bg.jpg);
    background-repeat: repeat;
    color: #ad6500;
    font-family: 'Nanum Gothic Coding', monospace;
    font-weight: bold;
}

#header {
    height: 60px;
    border: 1px solid #ad6500;
    width: calc(100% - 20px);
    margin: 10px;
}

svg {
    width: 60px;
    padding: 7px;
    border-right: 1px solid #ad6500;
    fill: #ad6500;
}

#body {
    margin: 10px;
    height: calc(100% - 100px);
    border: 1px solid #ad6500;
}

#menu {
    height: 100%;
    width: 150px;
    float: left;
    border-right: 1px solid #ad6500;
    overflow-y: scroll;
    overflow: -moz-scrollbars-none;
    -ms-overflow-style: none;
}
#menu::-webkit-scrollbar { 
    display: none; 
}
.menu_item {
    border: 1px solid #ad6500;
    margin: 5px;
    padding: 5px;
    text-align: center;
} 
.menu_item:hover {
    background-color: rgb(173,101,0,0.6);
    border: 1px solid rgb(173,101,0,0.6);
    color: #030000;
}
.menu_item.active {
    background-color: rgb(173,101,0,0.6);
    border: 1px solid rgb(173,101,0,0.6);
    color: #030000;
    padding: 10px 0 10px 0;
}
p {
    margin: 0;
}

#content {
    height: 100%;
    padding: 15px;
    overflow-y: scroll;
    overflow: -moz-scrollbars-none;
    -ms-overflow-style: none;
}

.center {
    text-align: center;
}

#title {
    text-align: center;
}

#popup {
    display: none;
    background-color: #030000;
    background-image: url(/assets/images/bg.jpg);
    background-repeat: repeat;
    height: fit-content;
    border: 1px solid #ad6500;
    position: absolute;
    margin: auto 15px;
    padding: 10px;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

#popup .close_popup {
    text-align: right;
    margin-top: -20px;
    position: relative;
    top: -20px;
    right: 10px;
}

#popup button {
    margin-top: 9px;
    color: #030000;
    font-size: 17px;
    font-weight: bold;
    background-color: #ad6500;
    border: none;
}

#popup button:focus {
    outline: 1px solid #ad6500;
    border-color: #ad6500;
}

#popup button#try, #popup button#hint {
    width: 48.5%;
}

#popup button#code_mode, #popup button#next_riddle, #popup button#round_change, #popup button#finish, #popup button#try_decode {
    width: 100%;
}

#popup hr {
    border: 1px solid;
}

#answer {
    width: calc(100% - 52px);
    height: auto;
    position: absolute;
    bottom: 36px;
    display: flex;
    flex-wrap: wrap;
}

#answer input {
    padding: 3px 6px;
    background-color: transparent;
    border: 1px solid #ad6500;
    color: #ad6500;
    font-size: 17px;
    font-weight: bold;
    bottom: 36px;
    flex-basis: 73%;
}

#answer input:focus {
    padding: 3px 6px;
    color: #ad6500;
    font-size: 17px;
    font-weight: bold;
    outline: 1px solid #ad6500;
}

#answer button {
    color: #030000;
    font-size: 17px;
    font-weight: bold;
    background-color: #ad6500;
    border: none;
    flex-basis: 27%;
}

#answer button:focus {
    outline: 1px solid #ad6500;
    border-color: #ad6500;
}


#content::-webkit-scrollbar { 
    display: none; 
}

#copyright {
    position: absolute;
    bottom: 0;
    right: 10px;
    font-size: 14px;
}