.my-container {
    border: solid 4px transparent;
    padding: 1em;
    position: relative;
    margin: 0.5em 0;
	background-color: LightBlue;
}

/*.my-container-complete {
    border: solid 4px green;
}

.my-container-complete::before {
    content: "\002713";
    display: block;
    position: absolute;
    right: 4px;
    top: 0;
    color: green;
    font-weight: bold; 
    font-size: 32px;
}

.my-container-error {
    border: solid 4px red;
}

.my-container-error::before {
    content: "\002715";
    display: block;
    position: absolute;
    right: 4px;
    top: 0;
    color: red;
    font-weight: bold; 
    font-size: 32px;
}*/