.CodeMirror-completions {

position: absolute;
z-index: 10;
overflow: hidden;
-webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
-moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2);
box-shadow: 2px 3px 5px rgba(0,0,0,.2);

} .CodeMirror-completions select {

background: #fafafa;
outline: none;
border: none;
padding: 0;
margin: 0;
font-family: monospace;

}