style.css

* {
    font-family: "Inter", sans-serif;
    font-weight: 400;
    font-size: 32px;
    line-height: 150%;
}


body {
    background-color: rgb(193, 204, 216);
}


main {
    display: flex;
    margin-left: 80px;
    margin-bottom: 50px;
} 

.input-texto {
    margin-top: 90px;
}

.mensaje {
    position: relative;
    margin-top: 20px;
    margin-left: 90px;
    background-image: url("images/muñeco.png");
    background-repeat: no-repeat;
    background-position: 18px;
    background-size: 300px;

}

.copiar {
    position: relative;
    margin-top: 20px;
    margin-left: 205px;
}

.botones {
    display: flex;
    flex-direction: row;
    margin-top: 20px;
}

.encriptar {
    background-color: #4646e2;
    color:#fafbfc;
    border-radius: 10px;
    box-shadow: 0 5px 10px -5px rgba(255, 255, 255, 0.123);
    margin: auto;
}

.desencriptar {
    margin-left: 30px;
    background-color: #e3e3f0;
    color:#1e4266;
    border-radius: 10px;
    box-shadow: 0 5px 10px -5px rgba(255, 255, 255, 0.123);
    margin: auto;
}

.informacion {
    font-size: 15px;
}

/* Use a media query to add a break point at 800px: */
@media screen and (max-width: 800px) {
    .left, .main, .right {
      width: 100%; /* The width is 100%, when the viewport is 800px or smaller */
    }
}