* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

a {
    text-decoration: none;
    color: white;

    transition: .4s;
    border-radius: 4px;
}

a:hover {
    background-color: white;
    color: black;
}

main {
    position: relative;
    
    width: 100%;
    min-height: 100vh;
    height: auto;
    
    background: url('../img/background3.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.cidade {
    text-align: center;
    margin-top: 20px;
    color: white
}

.img-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    z-index: 1;
}

.img-logo img {
    width: 100%;
}

.cover {
    position: absolute;
    z-index: 2;

    width: 100%;
    height: 100%;

    background-color: rgba(0, 0, 0, .8);
}

.center {
    position: absolute;

    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    max-width: 800px;
    padding: 0 2%;
    margin: 0 auto;

    z-index: 3;
}

.logo {
    text-align: center;
    padding: 30px 0;
}

.logo img {
    max-width: 400px;
    width: 100%;
}

.box-icon {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.icon a {
    display: flex;
    align-items: center;
    justify-content: center;

    padding: 25px 25px;

    font-size: 38px;

    margin: 0 10px;
}

.box-icon {
    width: 100%;
}

@media (max-width: 600px)
{   
    .center {
        position: relative;
    
        top: 0;
        left: 0;
        transform: translate(0, 0);
    }
    
    .box-icon {
        flex-direction: column;
    }
    
    .icon a {
        display: flex;
        align-items: center;
        justify-content: center;
    
        padding: 25px 25px;             
    
        font-size: 38px;
    
        margin: 10px 0;
    }
    
    .box-icon {
        width: 100%;
    }
    
}