.wrap {
    background: #F4F4F4;
    width: 1600px;
    margin: 10px auto;
}

.code {
    padding: 10px;
    width: 100%;
    height: 40vh;
    background: #FFF;
    border: 1px solid #369;
    font-family: 'Courier New';
    box-sizing: border-box;
    background: #FFF;
    outline: none;
}

.input {
    width: 200px;
    padding: 10px;
    border: 1px solid #CCC;
    font-family: 'Courier New';
    outline: none;
}