* {
    box-sizing: border-box;
}

html {


}

body {
    margin: 0;
    display: block;
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
    background: linear-gradient(-135deg, #58a8ff 0%, #266d4a 100%);
    background-repeat: no-repeat;
    background-size: contain;
    font-family: "Courier New", sans-serif;
    font-size: 14px;
    border: 5px solid rgba(0, 0, 0, 0.17);

}


/*#button {*/
/*    float: right;*/
/*    text-align: center;*/
/*    width: auto;*/
/*    padding: 5px;*/
/*    border-radius: 5px;*/
/*    background-color: rgba(0, 0, 0, 0.31);*/
/*    color: white;*/
/*    border: 1px solid black;*/
/*}*/

/*#button:active {*/
/*    transform: scale(0.95);*/
/*}*/

.wrap {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#canvas {
    /*border: 55px solid rgba(0, 0, 0, 0.17);*/
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

/*========*/

.setting {
    margin: 5px;
    border-radius: 5px;
    padding: 10px;
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    min-width: 300px;
    min-height: 500px;
    background-color: rgba(0, 0, 0, 0.73);
}

.button{
    background-color: #1e1e1e;
    display: block;
}

.button:hover{
    background-color: #919191;
}
.button:active{
    background-color: #404040;
}

.command {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    color: #ccc;
}

.command  .button {
    height: 25px;
    width: 100px;
    border-radius: 3px;
    border: 0;
    background-color: #1e1e1e;
    color: #ccc;
    margin-left: 20px;
}