* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #e6e6e6;
    line-height: 1.6;
}
header {
    background-color: #ffffff;
    color: #000000;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;    
    text-align: center;     
}

.footer {
    background-color: #ffffff;
    color: rgb(0, 0, 0);
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}

.modulos {
    margin-top: 10px;
    display: inline-block;
    width: 30%;
    margin-right: 2%;
    text-align: center;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
div>a>img{
    height: 200px;
}
.modulos img {
    width: 100%;
    border-radius: 8px;
}

.modulos:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.mainm h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
    padding-top: 10px;
}
main {
    padding: 40px;
    text-align: center;
}

.menu {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.menu a {
    text-decoration: none;
    color: #000;
    font-weight: bold;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.3s, color 0.3s;
}

.menu a:hover {
    background-color: #000;
    color: #fff;
}