*, html, body, div, h1 {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

textarea, input {
    outline: none;
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    display: flex;
    flex-direction: column;
    font-size: 14px;
    color: #333;
    background-color: #efefef;
}

header, .title {
    display: block;
    padding: 30px 0;
}

h1 {
    text-align: center;
    font-size: 36px;
}

#app {
    display: flex;
    flex: 1;
    padding: 0 30px 30px;
    justify-content: space-between;
}

.input_wrap {
    width: 50%;
    padding-right: 16px;
}
.input_wrap textarea {
    width: 100%;
    height: 100%;
    resize: none;
    border: 1px solid  #ddd;
    border-radius: 6px;
    padding: 16px;
    font-size: 14px;
    background-color: #fff;
}

.format {
    border: 1px solid #ddd;
    border-radius: 6px;
    width: 50%;
    background-color: #fff;
    padding: 16px;
}

.json_number {
    color: #25aae2;
}
.json_string {
    color: #3ab54a;
}
.json_key {
    color: #92278f;
}