.submit-button{color:#fff;background-color:var(--bg-color);border-radius:12px;transition:all .2s ease-in-out}.submit-button:hover{background-color:var(--hover-bg-color)}.submit-button:active{background-color:var(--active-bg-color)}.chat-box{width:var(--width)}.chat-box>textarea::placeholder{color:var(--placeholder-color)}@media (max-width:640px){.submit-button,.submit-button:hover,.submit-button:active{background-color:#000}.chat-box{width:345px}}