.wrap {
width:406px;
text-align:right;
margin:auto;
}
textarea {
width:400px;
max-width:400px;
height:200px;
display:block;
margin:auto;
font-size:20px;
box-shadow:-2px -4px 8px rgba(190,189,189,0.42) inset;
}
input[type=button] {
margin-top:12px;
padding:10px;
outline:none;
border:none;
cursor:pointer;
vertical-align:top;
color:#fff;
font-weight:bold;
font-family:Arial;
background:-webkit-linear-gradient(top,#71ccfd,#2d76fd);
border-radius:8px;
}
1个汉子为2个字符.