.background{
    width: 100%;
    height: 600px;
    background-color: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: auto;
    margin-top: 10%;
}

.buttons{
    width: 50%;
    height: 21%;
    background-color: none;
    display: flex;
    justify-content: space-between;
}

.b1, .b2, .b3, .b4{
    width: 20%;
    height: 100%;
    background-color: rgb(236, 236, 236);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-image: url("cnbg2.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: background-color 0.5s ease, filter 0.3s ease;
    filter: grayscale(100%); /* Apply black and white filter by default */

    display: flex;
    flex-direction: column;
    justify-content: flex-end; 
    align-items: center;
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #282727;
    font-size: 15px;
    
}

.b1.active {
    background-color: #F4CF98;
    filter: grayscale(0%); /* Apply black and white filter by default */    
}

.b1:hover{
    /* Remove grayscale filter on hover */
    filter: grayscale(0%);
    background-color: #669dd4;
}

.b1 span {
    margin-bottom: 15px; /* Espaçamento entre o texto e a borda inferior */
}


.b2.active {
    background-color: #F4CF98;
    filter: grayscale(0%); /* Apply black and white filter by default */    
}

.b2:hover{
    /* Remove grayscale filter on hover */
    filter: grayscale(0%);
    background-color: #669dd4;
}

.b2 span {
    margin-bottom: 15px; /* Espaçamento entre o texto e a borda inferior */
}


.b3.active {
    background-color: #F4CF98;
    filter: grayscale(0%); /* Apply black and white filter by default */    
}

.b3:hover{
    /* Remove grayscale filter on hover */
    filter: grayscale(0%);
    background-color: #669dd4;
}

.b3 span {
    margin-bottom: 15px; /* Espaçamento entre o texto e a borda inferior */
}



.b4.active {
    background-color: #F4CF98;
    filter: grayscale(0%); /* Apply black and white filter by default */    
}

.b4:hover{
    /* Remove grayscale filter on hover */
    filter: grayscale(0%);
    background-color: #669dd4;
}

.b4 span {
    margin-bottom: 15px; /* Espaçamento entre o texto e a borda inferior */
}

.section{
    width: 50%;
    height: 79%;
    background-color: none;
}


.s1, .s2, .s3, .s4{
    display: none ;
}

.s1-1{
    width: 50%;
    height: 100%;    
    display: block;
}

.s1-1 img{    
    height: 460px;
    margin-left: 0px;
    margin-top: 25px;
    border-radius: 50px;    
}

.s1-2{
    width: 50%;
    height: 100%;
    padding-top: 25px;
    font-family: "Roboto", sans-serif;
    font-weight: 400px;
    color: #1a4774;    
    text-align: justify;
    display: block;
}

.s1-2 p{
    font-size: 25px;
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #2676C6;
}

.s2, .s3, .s4{
    display: none ;
}

.btn {
    background-color: #2676C6; /* Cor de fundo */
    border: none; /* Remove a borda */
    color: white; /* Cor do texto */
    padding: 15px 32px; /* Espaçamento interno */
    text-align: center; /* Alinhamento do texto */
    text-decoration: none; /* Remove sublinhado do texto */
    display: inline-block; /* Exibe como bloco */
    font-size: 16px; /* Tamanho da fonte */
    margin: 4px 2px; /* Margem externa */
    cursor: pointer; /* Cursor do mouse */
    border-radius: 8px; /* Borda arredondada */
    transition-duration: 0.4s; /* Duração da transição */
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2); /* Sombra */
}

.btn:hover {
    background-color: #16334F; /* Cor de fundo ao passar o mouse */
    color: white; /* Cor do texto ao passar o mouse */
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2); /* Sombra ao passar o mouse */
}