.CodeMirror-hints {
 position: absolute;
 z-index: 10;
 overflow: hidden;
 list-style: none;

 margin: 0;
 padding: 0;

 border: 1px solid silver;

 background: white;
 font-size: 90%;
 font-family: "Fira Code";

 max-height: 20em;
 overflow-y: auto;
}

.CodeMirror-hint {
 margin: 0;
 padding: 0 4px;
 border-radius: 2px;
 white-space: pre;
 color: black;
 cursor: pointer;
}
.CodeMirror-hint-entered {
 color: #170;
}
.CodeMirror-hint-arg {
 color: gray;
}
li.CodeMirror-hint-active {
 background: rgb(201, 233, 195);
}