body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    width: 100%;
    height: auto;
    background-image: url("fotos/bg.png");
    background-repeat:repeat-y;
    background-size: 100%;
}


content {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 16px;
}

h1 {
    text-align: center;
    font-size: 50px !important;
    font-weight: bold !important;
    padding-top: 10px !important;
}

h2 {
    text-align: center;
    font-size: 40px !important;
    font-weight: bold !important;
}

.slider {
    margin: 0 auto;
    overflow: hidden;
}

.slides {
    margin: 0 auto;
    width: 400%;
    display: flex;
}

.slides input {
    display: none;
}

.slide {
    width: 25%;
    position: relative;
}

.manual-navigation {
    position: absolute;
    width: 100%;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    transition: 1s;
}

.manual-btn {
    border: 2px solid blue;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer
}

.manual-btn:not(last-child) {
    margin-right: 40px;
}

.manual-btn:hover {
    background-color: #FFF;
}

#radio1:checked~.first {
    margin-left: 0%;
}

#radio2:checked~.first {
    margin-left: -25%
}

#radio3:checked~.first {
    margin-left: -50%
}

#radio4:checked~.first {
    margin-left: -75%
}




.navigation-auto {
    margin: 360px auto;
    position: absolute;
    width: 100%;
    display: flex;
    justify-content: center;
}

.navigation-auto div:not(:last-child) {
    margin-right: 40px;
}

#radio1:checked~.navigation-auto .auto-btn1 {
    background-color: #FFF;
}

#radio1:checked~.navigation-auto .auto-btn2 {
    background-color: #FFF;
}

#radio1:checked~.navigation-auto .auto-btn3 {
    background-color: #FFF;
}

#radio1:checked~.navigation-auto .auto-btn4 {
    background-color: #FFF;
}

div.msg {
    position: absolute;
    top: 750px;
    padding: 50px;
    color: blue;

}
div.msg p {
    font-size: 18px;
    font-weight: bolder;
}