.block {
   
    display: inline-flex;
    align-items: center;
    justify-content: center;
    
}
/*----------------------------start right-sidebar-menu---------------------------------*/
#right-sidebar-menu {
    margin-right: -250px;
    right: 0;
    width: 250px;
    background-color: #494949 !important;
    position: fixed;
    height: 100%;
    margin-top: 0;
    overflow-y: auto;
    z-index: 1000;
    transition: all 0.5s ease-in 0s;
    -webkit-transition: all 0.5s ease-in 0s;
    -moz-transition: all 0.5s ease-in 0s;
    -o-transition: all 0.5s ease-in 0s;
    direction: ltr;
}

    #right-sidebar-menu.active {
        right: 250px;
        width: 250px;
        transition: all 0.5s ease-out 0s;
        -webkit-transition: all 0.5s ease-out 0s;
        -moz-transition: all 0.5s ease-out 0s;
        -o-transition: all 0.5s ease-out 0s;
    }

    #right-sidebar-menu #set-panel-place {
        margin-top: 5px;
    }
/*----------------------------end right-sidebar-menu---------------------------------*/
@media (min-width:1199px) {
    #right-sidebar-menu {
        right: 250px;
        width: 250px;
        transition: all 0.5s ease-out 0s;
        -webkit-transition: all 0.5s ease-out 0s;
        -moz-transition: all 0.5s ease-out 0s;
        -o-transition: all 0.5s ease-out 0s;
    }

    #se {
        width: 81.2%;
        /*margin-left:-15px;*/
    }
}

@keyframes color-animation {
    0% {
        border-color: #ba4242;
    }

    50% {
        border-color: #e61414;
    }

    100% {
        border-color: #eaa01a;
    }
}

@keyframes dd {
    0% {
        color: white;
    }

    50% {
        color: silver;
    }

    100% {
        color: black;
    }
}

#aa {
    animation: dd 3s infinite linear alternate;
}