style.css

.container{
    margin: 50px auto;
    width: 605px;
    height: 605px;
    background-color: blanchedalmond;
    padding: 2px;
    border-style: solid
    
}
.caja{
    border-style: solid
}

.uno{
    position: absolute;
}
.dos{
    position: absolute;
    margin: 100px 0px 100px 100px;
}
.tres{
    position: absolute;
    margin: 200px 0px 200px 200px;
}
.cuatro{
    position: absolute;
    margin: 300px 0px 300px 300px;
}

.cinco{
    position: absolute;
    margin: 400px 0px 400px 400px;
}

.caja:hover ~ div{ 
    visibility: hidden;
}

.caja:hover {
    border:5px solid white;
}