I noticed that the z - index for the share window needs to be increased

Now currently at (z-index: 2;) needs to be at (z-index: 10;)

please check this on other templates as well

#es .mentions textarea {
padding: 0 !important;
margin: 0 !important;
border: 0 !important;
background: transparent !important;
-webkit-box-shadow: none !important;
box-shadow: none !important;
border-radius: 0;
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
z-index: 2;
white-space: pre-wrap;
word-wrap: break-word;
resize: none;
outline: 0;
overflow: hidden;
color: #444;