*,
html {
    background-color: yellow;
    margin: 0;
    padding: 10;
}

.container-navbar {
    background-color: #333;
    width: 97,5%;
    height: 100px;
}

.ul-navbar{
    background-color: red;
    display: flex;
    height: 100px;
    justify-content:center;
    align-items: center;
}

.li-navbar {
    border: 1px solid yellow;
    background-color: black;
    list-style-type: none;
    padding: 20px;
    margin: 5px;
    color: white;
}

.container-content {
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;

}

.img-content {
    width: 30%;
    height: 30%;
}

.container-footer {
    background-color: crimson;
    display: flex;
    justify-content: center;
    align-items: center;
}

.h1-footer {
font-size: 40px;
}