/* reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* page */
.page-wrapper {
    margin: 0 auto;
    width: 960px;
    max-width: 100%;
}


/* box */
.box-content {
    padding:20px;
    background-color: #FFF;
}


textarea {
    background-color:#FAFAFA;
    border:#EFEFEF solid 1px;
    color:#333;
    height:150px;
    width:100%;
}
/* reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* general */
body {
    background-color: #EFEFEF;
}


/* page */
.page-wrapper {
    margin: 0 auto;
    width: 960px;
    max-width: 100%;
}


/* box */
.box-content {
    padding:20px;
    background-color: #EFEFEF;
}


textarea {
    background-color:#FAFAFA;
    border:#EFEFEF solid 1px;
    color:#333;
    height:150px;
    width:100%;
}


/* richtext custom style */
.richText {
    margin-top: 40px;
    -webkit-box-shadow: 0 0 20px 0 #999;
    -moz-box-shadow: 0 0 20px 0 #999;
    box-shadow: 0 0 20px 0 #999;
}
Update custom style for the example
Update custom style for the example
