footer {
  padding: 10px 0;
  border-top: 1px solid var(--mediumGray);
  margin: 0 15px;
  border-radius: 0 0 14px 14px;
}

#new-message-form {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  justify-content: space-between;
}

#message-input {
  width: 80%;
  height: 50px;
  font-size: 0.9rem;
  border: none;
  outline: none;
  -webkit-box-shadow: none;
  box-shadow: none;
  resize: none;
  border-radius: 12px;
  padding: 15px;
  border: 1px solid var(--modernIce);
}

#message-input:focus {
  border: 1px solid var(--techBlue);
}

#message-input::-webkit-scrollbar {
  display: none;
}

#btn-submit {
  border-radius: 50%;
  width: 50px;
  height: 50px;
  border: none;
  cursor: pointer;
  background-color: var(--techBlue);
  -webkit-transition: 0.2s;
  -o-transition: 0.2s;
  transition: 0.2s ease-in-out;
  position: relative;
  > svg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(calc(-50% - 2px)) translateY(calc(-50% - 1px));
    width: 18px;
    height: 18px;
  }
}

#btn-submit:hover {
  opacity: 0.8;
}