body,
html {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    max-height: 100%;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

form {
    margin: 0 30%;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
}

input[type="submit"],
button {
    padding: 10px;
    color: white;
    background-color: #2ea3ad;
    border: 3px solid #2f4858;
    border-radius: 10px;
}

input[type="submit"]:hover,
button:hover {
    background-color: #56e4cc;
    cursor: pointer;
}

.seleccion-imagen,
input {
    margin-bottom: 1em;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 12px 20px;
    box-sizing: border-box;
    border: 2px solid #ccc;
    border-radius: 4px;
    background-color: #f8f8f8;
    font-size: 16px;
    resize: none;
}

select {
    padding: 10px;
    margin-bottom: 1rem;
}