*{
    margin: 0;
    padding: 0;
}
body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: gray;
}
.top{
    background-color: rgb(44, 44, 44);
    color: white;
padding: 30px;
    max-width: 100%;
    text-align: center;
    font-size: 30px;
}
.top1{
    background-color: rgb(44, 44, 44);
    color: white;
padding: 30px;
    max-width: 60%;
    text-align: center;
    font-size: 20px; 
    margin: auto;
    border-radius: 30px;
}
.meio{
    max-width: 50%;
    background-color: rgba(0, 0, 0, 0.9);
    padding: 60px;
    margin: auto;
    margin-top: 50px;
}
input, button{
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    border: none;
}
button{
margin-top: 20px;
border: 3px gray solid;
max-width: 100%;
font-size: large;
font-weight: 900;
}
button:hover{
    margin-top: 20px;
    border: 3px rgb(0, 19, 185) solid;
    }
  .temperara{
      text-align: center;
      font-size:5vw;
      padding-top: 40px;
  }
    @media screen and (max-width:635px) {
        .meio{
            padding: 20px;
        }
        .top1{
            padding: 10px;
        }
    }
    .back{
        max-width: 20%;
        background-color: rgba(255, 255, 255);
        padding: 10px;
        margin: auto;
        margin-top: 50px; 
        color: black;  
        text-align: center;
        font-size: 3vw;
        font-weight: 900;
        border: 3px solid white;
    }
    .back:hover{
        border: 3px solid black;
    }
    a{
        text-decoration: none;
    }
    .borda{
        border: 0.2vw solid #000000;
    box-sizing: border-box;
    border-radius: 30px;
    text-align: center;
    max-width: 40%;
    margin: auto;
    margin-top: 30px;
    list-style: none;
    padding: 5px;
    font-size: 3vw;
    background-color: #000000;
    color: white;
}
.borda:hover{
    border: 0.2vw solid white;
    background-color: white;
    color: #000000;
}
.baixo{
    position: absolute;
    bottom: 0%;
    padding: 10px;
    color: white;
}
.formula{
    margin-top: 30px;
}
.meio1{
    padding-top: 30px;
}