I tried to tweak it using CSS

Here is the code if you want o apply it = )
input[type="submit"] {
background: #fa6801!important;
position: unset;
width: 200px;
margin-top: 20px;
margin-left: 65px;
border-radius: 20px;
}
.quick-reply-send {
margin-bottom: 30px;
display: unset!important;
}

Here is the code if you want o apply it = )
input[type="submit"] {
background: #fa6801!important;
position: unset;
width: 200px;
margin-top: 20px;
margin-left: 65px;
border-radius: 20px;
}
.quick-reply-send {
margin-bottom: 30px;
display: unset!important;
}