.chat-container .form-group {
  display: block;
  margin-bottom: 15px;
}

.chat-container .form-group input {
  padding: 0;
  height: initial;
  width: initial;
  margin-bottom: 0;
  display: none;
  cursor: pointer;
}

.chat-container .form-group label {
  position: relative;
  cursor: pointer;
}

.chat-container .form-group label:before {
    content: '';
    -webkit-appearance: none;
    background-color: transparent;
    border: 1px solid #5b5b5b;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), inset 0px -15px 10px -12px rgba(0, 0, 0, 0.05);
    padding: 7px;
    display: inline-block;
    position: relative;
    vertical-align: middle;
    cursor: pointer;
    margin-right: 10px;
}

.chat-container .form-group input:checked + label:after {
    content: '';
    display: block;
    position: absolute;
    top: 1px;
    left: 8px;
    width: 4px;
    height: 12px;
    border: solid #5b5b5b;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}