.a_topbar{
    font-size: 13px;
    font-weight: 500;
    color: var(--white);
    margin-right: 8px;
    padding: 11px 18px;
    border: 1px solid var(--accent);
    border-radius: 16px;;
    background-color: var(--accent);
    opacity: 0.85;
    cursor: pointer;
    text-decoration: none; 
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.a_topbar:hover{
    opacity: 1;
    color: var(--accent);
    border: 1px solid var(--white);
    background-color: var(--white);
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.a_topbar_scrolled{
    font-size: 13px;
    font-weight: 500;
    color: #ffffff;
    margin-right: 10px;
    padding: 9px 12px;
    border: 1px solid rgb(255,255,255,0.7);
    border-radius: 16px;;
    background-color: transparent;
    cursor: pointer;
    text-decoration: none; 
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.a_topbar_scrolled:hover{
    color: var(--dark);
    background-color: rgb(255,255,255,0.7);
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.button-empty{
    background-color: var(--white);
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 700;
    font-family: var(--font-button);
    outline: none;
    border-radius: 22px;
    border: 1px solid var(--accent);
    padding: 10px 12px; 
    cursor: pointer;
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.button-empty:hover{
    background-color: var(--back-light);
    transform: translateY(-1px);
    box-shadow: 0px 2px 0px 0px var(--accent-dark); /* solid shadow at the bottom */
    border: 1px solid var(--accent-dark);
    -webkit-transition-duration: 0.2s; /* Safari */
    transition-duration: 0.2s;
}

.button1{
    background-color: var(--button_background);
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    font-family: 'Roboto',Sans-Serif;
    border-radius: 20px;
    border: 1px solid var(--button_border);
    padding: 15px 30px; 
    cursor: pointer;
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.button1:hover{
    background-color: var(--button_background_hover);
    color: var(--white);
    outline: 5px solid var(--button_outline);
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.3s;
}
.button2{
    background-color: var(--white);
    color: var(--accent);
    font-size: 16px;
    font-weight: 700;
    font-family: var(--font-button);
    outline: none;
    border-radius: 22px;
    border: 1px solid var(--accent);
    padding: 13px 20px; 
    cursor: pointer;
    -webkit-transition-duration: 0.5s; /* Safari */
    transition-duration: 0.5s;
}
.button2:hover{
    background-color: var(--back-light);
    transform: translateY(-1px);
    box-shadow: 0px 2px 0px 0px var(--accent); /* solid shadow at the bottom */
    -webkit-transition-duration: 0.2s; /* Safari */
    transition-duration: 0.2s;
}