code css : "
*{
font-family: "Afacad Flux", sans-serif;
}
body{
background-repeat: auto;
--angle: 45deg;
background: linear-gradient(var(--angle), oklab(92.6% 0.027 0.032), oklab(92.8% 0.023 0.03), oklab(90.1% 0.039 0.028), oklab(87% 0.053 0.029))
}
button{
padding: 15px 30px;
display: flex;
float: right;
}
#timeline{
height: 90%;
background-color: aliceblue;
position: absolute;
top:60px;
right: 0;
display: none;
z-index: 1;
}
#timeline a {
padding: 15px 16px;
display: block;
min-width: 200px;
text-decoration: none ;
text-align: center;
}
#timeline a:hover{
background-color: aquamarine;
}
#hideshow:hover #timeline{display: block;}
"