.center{
    width: 100%;
    height: auto;
}
.principio{
    text-align: center;
    padding-top: 100px;
    padding-bottom: 123px;
}
.principio h1{
    color: #011B33;
    font-family: 'Roboto';
    font-size: 96px;
    font-style: normal;
    font-weight: 800;
    line-height: 57.6px; /* 60% */
    margin-bottom: 23px;
}
.principio h3{
    color: #011B33;
    font-family: 'Roboto';
    font-size: 60px;
    font-style: normal;
    font-weight: 800;
    line-height: 57.6px;
    margin-bottom: 42px; /* 96% */
}
.principio input{
    width: 430px; 
    padding: 18px;
    color: #5F5F5F;
    font-family: 'Roboto';
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-align: center;
    border-radius: 5px;
    border: 1px solid #DDD;
    background: #FEFEFE; 
    outline: none;
}
.blogs{
    width: 100%;
    height: auto;
    margin-bottom: 149px;
}
.subscribe{
    width: 100%;
    margin-bottom: 284px;
}
@media (max-width:1100px) {
    .principio{
        text-align: center;
        padding-top: 80px;
        padding-bottom: 83px;
    }
    .principio h1{
        color: #011B33;
        font-family: 'Roboto';
        font-size: 66px;
    }
    .principio h3{
        color: #011B33;
        font-family: 'Roboto';
        font-size: 40px;
        font-style: normal;
        font-weight: 800;
        line-height: 57.6px;
        margin-bottom: 42px; /* 96% */
    }
    .principio input{
        width: 100%; 
        padding: 18px;
    }
}