app/assets/stylesheets/feedback.scss
.feedback-button {
height: 40px;
// border: solid 3px #CCCCCC;
width: 100px;
line-height: 28px;
-webkit-transform: rotate(-90deg);
font-weight: 600;
transform: rotate(-90deg);
-ms-transform: rotate(-90deg);
-moz-transform: rotate(-90deg);
text-align: center;
font-size: 17px;
position: fixed;
right: -35px;
top: 45%;
z-index: 999;
text-decoration: none;
}