estilo.css

@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;700&display=swap');
body{
    margin: 0px;
    background-color: #13213d;
    /*adicionei essa fonte em tudo*/
    font-family: 'Rubik', sans-serif;
}

header{
    color: white;
    background-color: #13213d;
    padding: 0px;
}
h1 {
    text-align: center;
    font-size: 50px;
    margin: 0px;
    margin-top: 21px;
}
h2 {
    text-align: center;
    margin: 0px;
    margin-bottom: 21px;
}

p{
    text-indent: 10px;
}
/*a section vai ser um degrade q muda de acordo com a temperatura(veja em funconalidades.js)*/
section{
    padding-top: 20px;
    text-align: center;
    background-image: linear-gradient(90deg,#2c7dab,#aed1dc);
    width: 100%;
    height: 351.5px;
}
label{
    color: #13213d;
    font-size: 20px;
}
#input_text{
    margin-left: 5px;
    margin-right: 0px;
    padding: 3px;
    border-radius: 10px;
    border: none;
}
.submit{
    padding: 7px;
    border-radius: 20px;
    background-color: #13213d;
    color: white;
    border: none;
    cursor: pointer;
}
.desc{
    margin-top: -6px;
}
/*as info da direita e da esquerda*/
.card1{
    margin-left: -200px;
}
.card2{
    margin-top: -140px;
    padding-left: 230px;
}

footer {
    clear: both;
    color: white;
    background-color: #13213d;
    padding-top: 5px;
    text-align: center;
    font-size: 14pt;
    padding: 0px;
}
/*pra dar o maximo de espaço para section*/
#github-link{
    margin-top: -20px;
}