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

body{

    font-family: sans-serif;
    padding: 90px 20px 0;
}

.cabecera {
   
    height: 80px;
    position:fixed;
    width: 100%;
    top:0;
    left:0;
}
.navegacion{
    display: flex;
    justify-content: space-between;
    max-width: 992px;
}

.nav-link{
    color: black;
    text-decoration: none;
}
.logo{
    font-size: 40px;
    font-weight: bold;
    padding: 0 40px;
    line-height: 80px;
    color: black;
}
.menu-nav{
    display: flex;
    margin-right: 40;
    list-style: none;
}

.nav-menu-item{
    font-size: 18px;
    margin: 0 10px;
    line-height: 80px;
    text-transform: uppercase;
    width: max-content;

}


button {
    font-size: 16px;
    text-align: center;
    border-radius: 8px;
    padding: 10px 20px;
}

.page-nav {
    background-color: #2196F3;
    border: 1px solid black;
    position: relative;
}

.page-nav h1 {
    margin: 20px;
}

.button-checkout {
    background-color: white;
    color: black;
    border: 2px solid #008CBA; /* Blue */
    transition-duration: 0.4s;
    position: absolute;
    right: 15px;
    bottom: 15px;
}

.button-checkout:hover {
    background-color: #008CBA; /* Blue */
    color: white;
}

.page-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
}

.product-container {
    margin: 15px;
    padding: 2px 16px;
    position: relative;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.1);
    background-color: white;
}

.product-container:hover {
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
  }

.product-container img {
    width: 300px;
}

.product-container h1 {
    margin-bottom: 10px;
    margin-left: 15px;
}

.button-add {
    background-color: white;
    color: black;
    border: 2px solid #4CAF50; /* Green */
    transition-duration: 0.4s;
    position: absolute;
    right: 15px;
    bottom: 10px;
}

.button-add:hover {
    background-color: #4CAF50; /* Green */
    color: white;
}