public/stylesheets/join-leave.scss
#join-community-popup {
z-index: 150;
position: absolute;
width: 500px;
height: 180;
right: 50px;
top: 50px;
background: white;
border: 2px solid black;
text-align: center;
cursor: move;
}
#join-community-popup .button-bar {
margin: 1em;
}
#join-community-popup .button-bar .button {
float: none;
}