:root{
    --cor1: #02f7ea;
    --cor2: #fff;
    --corBoxTexto: #02f7ea29;

    --imgWidth: 535;
    --imgHeight: 535;

    --sequencial: 1;
}  

.bts .bt:nth-child(1){top: 12px;left: 395px;}
.bts .bt:nth-child(2){top: 210px;left: 413px;}
.bts .bt:nth-child(3){top: 402px;left: 302px;}
.bts .bt:nth-child(4){top: 402px;left: 396px;}
.bts .bt:nth-child(5){top: 402px;left: 490px;}
.bts .bt:nth-child(6){top: 402px;left: 582px;}
.bts .bt:nth-child(7){top: 402px;left: 679px;}

.sequencial .bts .bt:nth-child(1):after{ content:'1'}
.sequencial .bts .bt:nth-child(2):after{ content:'2'}
.sequencial .bts .bt:nth-child(3):after{ content:'A'}
.sequencial .bts .bt:nth-child(4):after{ content:'B'}
.sequencial .bts .bt:nth-child(5):after{ content:'C'}
.sequencial .bts .bt:nth-child(6):after{ content:'D'}
.sequencial .bts .bt:nth-child(7):after{ content:'E'}


.bts .bt.inativo {
    filter: saturate(0) brightness(1.2) drop-shadow(0px 0px 5px black);
}
.bts .bt {
    /* filter:drop-shadow(0px 0px 5px black); */
}