html {
                height: 100%;
            }
            body {
                margin: 0px;
                height: 100%;
                display: flex;
                flex-flow: column nowrap;
                justify-content: center;
                align-items: center;
            }
            .line-box {
                display: flex;
                flex-flow: row nowrap;
                justify-content: center;
                align-items: center;
                margin-bottom: 30px;
            }
            input {
                outline: none;
                border: 0px;
                border-bottom: 1px solid #e5e5e5;
                height: 30pt;
                width: 400pt;
                font-size: 15pt;
            }
            input::placeholder {
                color: #c5c5d5;
            }
            button {
                outline: none;
                height: 30pt;
                width: 90pt;
                border: 0px;
                margin: 0pt 20pt 0pt 20pt;
                border-radius: 3pt;
                cursor: pointer;
            }
            button:hover {
                background-color: black;
                color: white;
            }