@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap");
/* general */
body {
    font-family: "Roboto", sans-serif;
    display: flex;
    flex-direction: column;
    margin: 0px;
    overflow-wrap: break-word;
    text-align: center;
}
/* encabezado */
header {
    display: flex;
    justify-content: space-between;
    margin: 10px;
    flex-wrap: wrap;
}
header a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 1px 1px 3px 2px black;
    margin: 5px;
}
header a img {
    width: 74%;
    height: 74%;
}
/* main */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: hsl(0, 0%, 86%);
    padding: 5px 0px;
}
main h1, main h2, main button {
    text-transform: uppercase;
    background-color: dimgray;
    border-radius: 10px;
    padding: 0px 5px;
    margin: 10px 0px;
    color: hsl(0, 0%, 86%);
}
main h3 {
    margin: 10px 0px;
    color: dimgray;
}
main input {
    border: 1px solid dimgray;
    margin: 5px 15px;
    padding: 5px;
    width: 50%;
    border-radius: 10px;
    text-align: center;
}
main img {
    width: 200px;
    border-radius: 50%;
    border: 1px solid dimgray;
}
main button {
    text-transform: uppercase;
    background-color: dimgray;
    border-radius: 10px;
    padding: 0px 5px;
    color: hsl(0, 0%, 86%);
    border: none;
    font-size: 20px;
    transition: all 0.3s;
    width: 50%;
}
main button:hover {
    background-color: hsl(0, 0%, 68%);
    color: dimgray;
}
@media (max-width:424px) {
    main h1 {
        width: 62%;
    }
    main h2 {
        width: 50%;
    }
    main h3 {
        width: 50%;
    }
    main img {
        width: 50%;
    }
}
@media (max-width: 180px) {
    header {
        display: block;
    }
    header a {
        width: auto;
        max-width: 50px;
    }
}