:root{
    --text: black;
    --carbon-paper: blue;
}

body{
    width: 100%;
    margin: 0;
    box-sizing: border-box;
}

/*//////// hmtl tag ////////*/

button:hover{
    background-color: white;
    color: var(--carbon-paper);
    border: 1px solid  var(--carbon-paper);
    padding: 2px 5px;
    border-radius:4px;
    mix-blend-mode: multiply;
}


/* ///////// class elem ///////////  */

header button{
    position:relative;
    top: ;
}
.cover, .thesis{
    width: 60%;
    margin: 0 auto;
}
.cover h1{
    font-size: 60pt;
}
.cover h3{
    font-size: 18pt;
}