*{
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}
header{
    height: 400px;
    background-color: #333;
}
.header-content{
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}
.header-content h3{
    font-size: 27px;
    color: white;
}
.header-content h3 span{
    color: rgb(70, 118, 120);
}
.header-content button{
    padding: 10px;
    width: 70px;
    border: none;
    color: white;
    background-color: rgb(70, 130, 132);
    border-radius: 5px;
    cursor: pointer;
}
button:hover{
    transition: 0.3s;
    color: black;
}
.banner{
    text-align: center;
    color: white;
    margin-top: 75px;
}
.banner h1{
    font-size: 60px;
}

main{
    max-width: 900px;
    margin: 0 auto;
}
main h2{
    text-align: center;
    margin: 10px;
}
.galeria{
    display: grid;
    grid-template-columns: repeat(3, 1fr) ;
    gap: 20px;
    margin: 20px 0;
}
.bloco{
    width: 100%;
    height: 450px;
    margin-bottom: 50px;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
}
.bloco img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}