body {
    background-image: url(img/paisagem.jpg);
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
    margin-top: -25px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: auto;
}

.container {
    background-color: black;
    background-color: rgba(0, 0, 0, 0.9);
    position: absolute;
    color: white;
    padding: 80px;
    left: 50%;
    top: 60%;
    transform: translate(-50%,-50%);
    border-radius: 15px;
}

input {
    padding: 15px;
    border-radius: 10px;
    border: none;
    outline: none;
    font-size: 15px;
}



button {
    background-color: dodgerblue;
    width: 100%;
    padding: 15px;
    color: white;
    border-radius: 10px;
    border: none;
    font-size: 15px;
    cursor: pointer;
}

button:hover {
    background-color: deepskyblue;
}

ul li {
    outline: none;
}

.menu {
    width: 100%;
    height: 50px;
    background-color: #222;
    font-family: Arial, Helvetica, sans-serif;
    
}

.menu ul{
    list-style: none;
    position: relative;
}

.menu ul li {
    width: 150px;
    float: left;
}

.menu a {
    padding: 15px;
    display: block;
    text-decoration: none;
    text-align: center;
    background-color: #222;
    color: white;
    
}

.menu ul ul {

    position: absolute;
    visibility: hidden;
}

.menu ul li:hover ul{
    visibility: visible;
    
}

.menu a:hover {
    background-color: #f4f4f4;
    color: #555;
    
}

.menu ul ul li {
float: none;
border-bottom: solid 1px #ccc;


}

.menu ul ul li a {
    background-color: #069;
    
}

label [form="bt_menu"] {
    padding: 5px;
    background-color: #222;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
    font-size: 30px;
    cursor: pointer;
    width: 50px;
    height: 50px;
}
#bt_menu{
    display: none;
}

label [form="bt_menu"] {
    display: none;
}

@media (max-width: 800px) {
    label [form="bt_menu"] {
        display: block;
    }

    #bt_menu:checked ~ .menu {
        margin-left: 0;
    }
    .menu {
        margin-top: 5px;
        margin-left: -100%;
        transition: all .4s;
    }
 .menu ul li {
     width: 100%;
     float: none;

 } 
 .menu ul ul {
     position: static;
     overflow: hidden;
     max-width: 0;
     transition: all .4s;
     
 }  

 .menu ul li:hover ul {
     height: auto;
     max-width: 200px;

 }

 body {
  width: 100%;
  height: 110vh;
    
 }

 .container {
     padding: 40px;
 }
}