body{margin:0}.main_page{display:flex;flex-direction:row;width:100vw;height:100vh;font-family:Arial,Helvetica,sans-serif}.login_main{width:50%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center}.login_button{border-radius:2.5vh;width:10vw;height:5vh;background-color:rgb(0 0 0/0);border:1px solid black}.login_button:hover{background-color:black;color:white;cursor:pointer}#login_pc{background-color:#e2e8f0}#login_pc:hover{background-color:#cbd5e1}#login_client{background-color:#fef3c7}#login_client:hover{background-color:#fde68a}