styles.css

body {
    margin: 0;
    padding: 0;
    font-family: 'IBM Plex Mono', monospace;
    background-color: white;
    background-size: cover;
    width: 900px;
}
.sel h1 {
    margin: 0;
    font-weight: 400;
    padding-top: 60px;
    font-size: 250%;
    color: white;
    
    text-align: center;
}
.sel {
    padding: 0;
    margin: 0;
    text-align: center;
    background-color: rgb(1, 1, 1, 0.85);
    margin-left: 20%;
    margin-right: 0%;
    padding-top: 10px;
}
.sel li {
    display: inline-block; /* NEW */
}
.sel a{
    font-weight: 100;
    color: white;
    border: none;
     /* aspect must apply to innermost */
    padding-left: 5px;
    padding-right: 5px;
}
.sel button {
    font-weight: 100;
    padding: 0;
    border: none;
    background: none;
    text-decoration: underline;
    font-size: 95%;
    font-family: 'IBM Plex Mono', monospace;
    color: white;

}
.sel img{
    max-width: 14px;
}
.sel hr{
    height: 1px;
    background-color: rgba(255, 255, 255, 0.076);
    border-color: rgba(0, 0, 0, 0.0);
    
}


canvas {
    margin-top: -790px;
    margin-left: 23%;
    width: 60%;
    height: 60%;
    
}
.game {
    margin-left: 0;
    padding: 0;
}
.main h1 {
    font-style: italic;
    margin-left: 20%;
    font-weight: 200;
}
.main .da {
    text-indent: 0;
    margin-left: 20%;
    font-weight: 100;
    margin-top: 20px;
    font-size: 15px;
}
.main p {
    margin-left: 20%;
    margin-right: 0%;
    font-weight: 100;
    font-size: 12px;
    text-indent: 40px;
}
.main .bigtab {
    text-indent: 0;
    margin-left: 25%;
    font-weight: 200;
}
.main a {
    color: blue;
}
#crossline {
    margin-right: 0%;
    margin-left: 45%;
    margin-top: -40px;
}
#cont {
    text-indent: 0;
}
mark {
    padding: 2px;
    background-color: rgb(1, 1, 1, 0.85);
    color: white;
}

 /* FOOTER TAGS */
 footer {
    margin: 0;
    padding: 0;
    border-radius: 5px;
    color:rgb(1, 1, 1, 0.85);
    margin-top: 700px;
    font-size: 12px;
    font-weight: 300;
    margin-left: 20%;
    margin-right: 0%;
}
footer img {
    margin-top: 10px;
    width: 10px;
}
footer p {
    margin: 0;
    padding: 0;
}
footer a {
    text-decoration: none;
    color: black;
}
.lc {
    margin-left: 40%;
    margin-top: -69;
}
#xtra {
    margin-top: 8px;
}

@media screen and (max-width:600px) {
    body {
        margin: 0;
        padding: 0;
        font-family: 'IBM Plex Mono', monospace;
        background-color: white;
        background-size: cover;
        width:auto;
    }
   
    .sel {
        padding: 0;
        margin: 0;
        margin-top: 0px;
        text-align: center;
        background-color: rgb(1, 1, 1, 0.85);
        margin-left: 3%;
        margin-right: 3%;
        padding-top: 20px;
    }
    .sel a {
        font-size: 70%;
    }
    .sel button {
        font-size: 70%;
    }
    .sel img {
        max-width: 10px;
    }
    .main h1 {
        margin-left: 15px;
        font-size: 30px;
    }
    .main p {
        font-size: 13px;
        margin-right: 15px;
        margin-left: 25px;
    }
    .main .bigtab {
        margin-left: 40px;
    }
    .main .da {
        margin-left: 25px;
        margin-top: 25px;
    }
    .pro {
        margin-left: 5%;
        margin-right: 5%;
    
    }
    .pro img {
        width: 100%;
        border: 3px solid rgb(1, 1, 1, 0.85);
        border-radius: 10px;
    }
    .pro a {
        display: block;
        border-radius: 5px;
        text-decoration: none;
        margin-top: 10px;
        margin-left: 0px;
        background: rgb(200, 200, 200, 0.3);
        width: 102%;
        height: auto;
        color: rgb(1, 1, 1, 0.85);
        margin-bottom: 5px;
    }
    footer {
        margin: 0;
        padding: 0;
        border-radius: 5px;
        color:rgb(1, 1, 1, 0.85);
        margin-top: 650px;
        font-size: 12px;
        font-weight: 300;
        margin-left: 15px;
        margin-right: 15px;
    }
    footer img {
        margin-top: 0px;
        width: 8px;
    }
    footer p {
        margin: 0;
        padding: 0;
    }
    .lc {
        margin-left: 40%;
        margin-top: -47;
    }
    #xtra {
        margin-top: 0px;
    }
    #crossline {
        border-color:rgba(0, 0, 0, 0.0);
    }
    canvas {
        margin-left: 20px;
        margin-top: -760px;
    }

}