body{
    font-family: "Arial", sans-serif;
}

.container {
    position: relative;
}

.siderbar {
    height: 0;
    width: 0;
    position: absolute;
    z-index: 1;
    top: 60;
    left: 100;
    background-color: #111;
    overflow-x: hidden;
    padding-top: 60px;
    transition: 0.5s;
    padding-bottom: 50px;
}

.siderbar a {
    padding-top: 20px;
    text-decoration: none;
    color: #ffffff;
    display: block;
    transition: 0.3s;
    font-size:  40px;
}


.siderbar .closebtn {
    position: absolute;
    top: 0;
    font-size: 55px;
    margin-left: 255px; 
}

#main {
    transition: margin-left  0.5s; 
    padding: 20px;
}

.espace_fleche{
    margin-top:50px;
}

@media screen and (min-width: 1024px) {
    :root {
        --siderbar-background-color: #111;
        --siderbar-link-color: #ffffff;
        --siderbar-link-padding: 15px 8px 15px 35px;
        --siderbar-font-size: 20px;
        --siderbar-transition-duration: 0.5s;
        --siderbar-bar-color: #5AE4A8;
    }
    
    
    .container {
        position: relative;
    }
    
    .siderbar {
        height: 0;
        width: 0;
        position: absolute;
        z-index: 1;
        top: 60;
        left: 100;
        background-color: var(--siderbar-background-color);
        overflow-x: hidden;
        padding-top: 60px;
        transition: var(--siderbar-transition-duration);
    }
    
    .siderbar a {
        padding: var(--siderbar-link-padding);
        text-decoration: none;
        color: var(--siderbar-link-color);
        display: block;
        transition: 0.3s;
        font-size: var(--siderbar-font-size);
    }
    
    .siderbar .closebtn {
        position: absolute;
        top: 0;
        right: 25px;
        font-size: 36px;
        margin-left: 50px;
    }
    
    #main {
        transition: margin-left var(--siderbar-transition-duration);
        padding: 20px;
    }
    .espace_fleche{
        margin-top: 0px;
    }
    /*
    .menu-hover-fill li {
        position: relative;
    }
    
    .menu-hover-fill li::before {
        position: absolute;
        content: "";
        top: 0;
        left: 0.5rem;
        width: 0.25rem;
        height: 50%;
        background: var(--siderbar-bar-color);
        margin-top: 1em;
    }
    */
}