#olho{
   float: right;
   color: #777777ba;
   margin: -34px 19px 0px 0px;
   cursor: 
   pointer;
}


.btn{
   background-color: black;
}


.alerta {
   position: relative;
   padding: .75rem 1.25rem;
   margin-bottom: 1rem;
   border: 1px solid transparent;
   border-radius: .35rem
}