.CodeMirror {
    height: 15rem;
    border-radius: 3px 3px 0 0;
    border: 1px solid #eee;
    padding: 0.2rem 0.3rem;
}

.night .cm-s-default.CodeMirror {
    background: #181a1b;
    background-color: #181a1b;
    color: #eee;
}

/*******************************************************/

@media screen and (max-width: 420px){
    .action-bar button:nth-child(1){
        width: calc(50% - 0.25rem);
        float: left;
    }
    .action-bar button:nth-child(2){
        width: calc(50% - 0.25rem);
        float: right;
    }
    .action-bar button:nth-child(3){
        width: calc(50% - 0.25rem);
        float: left;
        margin-top: 0.5rem;
    }
    .action-bar button:nth-child(4){
        width: calc(50% - 0.25rem);
        float: right;
        margin-top: 0.5rem;
    }
}

@media screen and (max-width: 390px){
    .action-bar button:nth-child(1){
        width: calc(50% - 0.25rem);
        float: left;
    }
    .action-bar button:nth-child(2){
        width: calc(50% - 0.25rem);
        float: right;
    }
    .action-bar button:nth-child(3){
        width: calc(50% - 0.25rem);
        float: left;
        margin-top: 0.5rem;
    }
    .action-bar button:nth-child(4){
        width: calc(50% - 0.25rem);
        float: right;
        margin-top: 0.5rem;
    }
}

/*******************************************************/

.upfiles{
    height: 1.9rem;
    line-height: 1.9rem;
    border: 1px solid #eee;
    padding-left: 0.5rem;
    cursor: pointer;
    color: #bbb;
}

.night .upfiles{
    background-color: #181a1b;
    border:1px solid #444;
    color: #444;
}