body{
    background-color: white;
    color: black;
    margin: 0;
    padding: 50px 16px 24px;
    transition: 0.3ms;
}
u{
    text-decoration-color:greenyellow;
}
h2{
    color: black;
    text-decoration-color: greenyellow;
    text-decoration-line: underline;
}
button{
    transition: 0.4s;
    cursor: pointer;
    box-shadow: 5px 4px 2px rgb(100, 100, 100);
}
.headbuttons:hover{
    transform: scale(1.1);
}
.texto{
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    margin-top: 20px;
    font-size: 20px;
    transition: 0.4s;
}

.titulos{
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    margin-top: 30px;
    font-size: 30px ;
    transition: 0.4s;
}
#tituloprincipal{
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    text-align: center;
    margin-top: 50px;
    font-size: 50px;
    transition: 0.4s;
}
#claroescuro{
    position: absolute;
    padding: 10px 20px;
    top: 20px;
    right: 20px;
    background-color: white;
    color: black;
    border: 5px solid greenyellow;
    cursor: pointer;
}
#menu{
    position: absolute;
    background-color: white;
    border: 5px solid greenyellow;
    padding: 10px 43px;
    top: 20px;
    right: 180px;
    cursor: pointer;
}

@media (max-width: 768px){
    #tituloprincipal{
        font-size: 36px;
        margin-top: 24px;
    }

    .titulos{
        font-size: 24px;
    }

    .texto{
        font-size: 18px;
        line-height: 1.5;
    }

    #claroescuro{
        top: 12px;
        right: 12px;
        padding: 8px 12px;
        border-width: 3px;
    }
    #menu{
        right: 130px;
        top: 12px;
        padding: 8px ;
        border-width: 3px;
    }
}

@media (max-width: 480px){
    body{
        padding: 40px 12px 20px;
    }

    #tituloprincipal{
        font-size: 30px;
    }

    .titulos{
        font-size: 21px;
    }

    .texto{
        font-size: 16px;
    }
}