* {
    margin: 0;
    padding: 0;

}

#nav-p {
    color: black;
    transition: 1ms;
}

#nav-p:hover {
    text-decoration: underline;
}

#img-inicio {
    margin-left: 29%;
}

#conteudo {
    color: white;
}

#index-inicio {
    margin: 26vh auto 0;
}


.flip-card {
    background-color: rgb(255, 255, 255);
    border-radius: 20px;
    width: 100%;
    height: 400px;
    box-shadow: inset 0 0 12px rgba(143, 143, 143, 0.473);
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    color: white;
}

#img-card-1 {
    
    background-position: center;
    font-size: 1.5rem;
    font-weight: bold;
    background-image: url(../Img/Drive-card.png);
    background-repeat: no-repeat;
}
#img-card-2 {
    background-position: center;
    font-size: 1.5rem;
    font-weight: bold;
    background-image: url(../Img/Docs-card.png);
    background-repeat: no-repeat;
}
#img-card-3 {
    background-position: center;
    font-size: 1.5rem;
    font-weight: bold;
    background-image: url(../Img/sheets.png);
    background-repeat: no-repeat;
}

.card-title{
    color: black;
}

.flip-card-back {
    background-color: #ffffff;
    /* escuro elegante */
    transform: rotateY(180deg);
    font-size: 1rem;
    color: black;
    box-shadow: inset 0 0 12px rgba(143, 143, 143, 0.473);
}