body{
    height: calc(100vh - 2 * var(--a));

}
.container-main{
    height: 94%;
}

footer{
    height: 6%;
}

.main-content{
    height: 100%;
}

.site-header {
    height: 8%;
}

main {
    height: 92%;
}

.item-scroll-history {

    height: 100%;
}
.item-scroll-goals {
    
    height: 100%;
}

.special-scroll {
     height: auto; 

}

.item-scroll {
    height: 100%;
}