:root{
    --margem:30px;

    background-color:rgb(37, 56, 90);
    font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

.caixa {
    width:fit-content;
    height:fit-content;
    margin: 40px 0;
    font-family:Georgia, 'Times New Roman', Times, serif;
    padding: 20px;
    border: 2px solid #000000;
    border-radius: 12px;
    background: linear-gradient(135deg, #5da3ff, #2c65ce);
    color: rgb(0, 0, 0);
    text-align: left;
    line-height: 1.5;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  }

.caixa-link{
    width:fit-content;
    height:fit-content;
    border:2px solid blue;
    background-color:rgb(124, 198, 216);
    font-style:italic;
    margin-left:var(--margem);
    border-radius:25px;
    padding:5px;
}

html {
    min-height: 100%;
    background: linear-gradient(135deg, #0084ff, #338fff 50%, #96ccff);
    background-attachment: fixed;
  }

h1{
    font-size:50px;
    margin-left:var(--margem);
    margin-right:var(--margem);
}

h3{
    margin-left:var(--margem);
    margin-right:var(--margem);
    font-style:italic;
}

p{
    font-size:20px;
    margin-left:var(--margem);
    margin-right:var(--margem);
}

footer{
    color:gray;
    text-align:center;
    font-style:italic;
}

img{
    margin-right:100px;
    border:5px solid black;
    border-radius:10px;
}