body, canvas, div, form, input {
    margin: 0;
    padding: 0;
}
.container-login {
    max-width: 960px;
}
#wrapper {
    width: 100%;
    padding: 1px;
}

canvas {
    position: relative;
    margin: 1px;
    margin-left: 0px;
    border: 1px solid #6c757d;
    cursor: crosshair;
   /* width:90%;*/
}
h1, p {
    padding-left: 2px;
    width: 100%;
    margin: 0 auto;
}

#controlPanel {
    margin: 2px;
}

#saveSignature {
    display: none;
}

.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size: 3.5rem;
    }
}
.invalid-input, .error_risposta {
    display: block;
    width: 100%;
    margin: 3px 0 15px;
    font-size: 80%;
    color: #dc3545;
    border-color: #dc3545;
    text-align: left !important;
}

input.invalid-input {
    margin: 0 !important;
}

form  input.invalid-input {
    border-color: #dc3545;
    /*
padding-right: calc(1.5em + .75rem);
background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%23dc3545' viewBox='-2 -2 7 7'%3e%3cpath stroke='%23dc3545' d='M0 0l3 3m0-3L0 3'/%3e%3ccircle r='.5'/%3e%3ccircle cx='3' r='.5'/%3e%3ccircle cy='3' r='.5'/%3e%3ccircle cx='3' cy='3' r='.5'/%3e%3c/svg%3E");
background-repeat: no-repeat;
background-position: center right calc(.375em + .1875rem);
background-size: calc(.75em + .375rem) calc(.75em + .375rem);
*/
    font-size: 1rem;
    margin-top: 0;
}