<style>
        .hoverable {
            position: relative;
            display: inline-block;
            padding-bottom: 5px;
            border-bottom: 2px dashed black;
        }
        .hoverable .hover_content {
            display: none;
            visibility: hidden;
            position: absolute;
            left: 125%;
            top: 0%;
        }
        .hoverable:hover .hover_content {
            display: block;
            visibility: visible;
        }
        #command_input {
            margin: auto;
            display: block;
            font-size: 200%;
            text-align: center;
        }
    </style>