*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    scroll-behavior: smooth;
}
body{
    font-family: Tahoma;
}
header{
    width: 100%;
    height: 70px;
    position: fixed;
    z-index: 1000000;
}
.container{
    width: 80%;
    margin: auto;
}
#logo img{
    width: 150px;
    float: left;
}
.botonera{
    float: right;
}
.botonera ul{
    display: flex;
    list-style: none;
}
.botonera a{
    text-decoration: none;
    display: block;
    color: yellow;
    padding: 20px;
    height: 70px;
}
.active{
    background: black;
}
.banner{
    position: relative;
    background:url(../img/banner.gif);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    min-height: 100vh;
}
.overlay{
    background:rgba(0, 0, 0, 0.5);
    min-height: 100vh;
}
.cont-banner{
    position: absolute;
    top: 50%;
    left: 50%;
    transform:translate(-50%, -50%);
    text-align: center;
}
#boton{
    background: black;
    color: white;
    padding:15px 10px;
    border:0 none;
    margin:10px 0px;
}
main{
    width: 80%;
    margin:20px auto;
}
main h2{
    text-align: center;
    margin-bottom: 10px;
}
p{
    font-size: 18px;
    line-height: 30px;
}
.img-responsive{
    width: 450px;
    max-width: 100%;
    display: block;
    margin:20px auto;
}
/* Mediaqueris para Tablets */
@media only screen and (max-width:980px){
    .container, main {
        width: 90%;
    }

}
/* Mediaqueris para Celulares */
@media only screen and (max-width:480px){
    .container, main {
        width: 98%;
        text-align: center;
    }

}