:root{
    --font-white:#ffffff;
    --font-black:#000000;
    --font-red:#ff0000;
    --tableline-black:#333333;
    --maroon:#800000;
    --leafgreen:#33cc66;
    --orangeyellow:#ff9900;
    --skyblue:#3399ff;
    --pale-skyblue:#99ccff;
    --deep-skyblue:#0066cc;

    --marineblue:#00bbdd;
    --brown:#996644;
    --yellow:#ffee00;
    --red:#ff0000;
    
    --nav-gray:#c6c0c6;
    --nav-hover-white:#fffff0;
    --hover-orange:#eeaa00;
    --back-gray:#d6d6d6;

    --lightgray:#dddddd;
    --superlightgray:#eeeeee;
}

/*.titleimg{
    animation-name:introduct-img;
    animation-duration: 2s;
    animation-fill-mode:backwards;
    animation-iteration-count:1;
}
@keyframes introduct-img{
    from{
        opacity:0;
    }
    to{
        opacity:1;
    }
}*/

/*.greeting{
    animation-name:introduct;
    animation-delay: 1s;
    animation-duration: 2s;
    animation-fill-mode:backwards;
    animation-iteration-count:1;
}
@keyframes introduct{
    from{
        opacity:0;
        height:0%;
    }
    50%{
        opacity:1;
        height:50%;
    }
    to{
        opacity:1;
        height:100%;
    }
}*/

.tr-12mas{
    display:flex;
    flex-wrap:wrap;
}

.titleimg{
    width:100%;
    height:auto;
    overflow:clip;
}

table th, table td{
    width:235px;
}

.second-table{
    margin-top:15px;
}

.second-table_a{
    margin-top:15px;
}

@media(max-width:1780px){
    .second-table_b{
        margin-top:15px;
    }
}

@media(max-width:1530px){
    .second-table_c{
        margin-top:15px;
    }
}

@media(max-width:1300px){
    .second-table_d{
        margin-top:15px;
    }
}

@media(max-width:1052px){
    .second-table_e{
        margin-top:15px;
    }
}

@media(max-width:940px){
    .second-table_e{
        margin-top:0px;
    }
}

@media(max-width:845px){
    .second-table_e{
        margin-top:15px;
    }
}

@media(max-width:600px){
    .second-table_f{
        margin-top:15px;
    }

    .tr-2mas{
        display:flex;
    }
}