.divComenzar{
    height: 15%;
    width: 100%;
    position: fixed;
    text-align: center;
    bottom: 0px;
    left: 0%;
}

.cta-btn-txt{
height: 30%;
width: 12%; 
color: rgb(255, 255, 255);
background-color: red;
cursor: pointer;
display: inline-block;
font-family: "Netflix Sans", "Helvetica Neue", "Segoe UI", Roboto, Ubuntu, sans-serif;
font-size: 2vmax;
font-stretch: normal;
font-style: normal;
font-variant-caps: normal;
font-weight: 400;
letter-spacing: normal;
line-height: normal;
padding-bottom: 1vmin;
padding-top: 1vmin;
text-align: center;
border: 1px solid rgb(208, 204, 204);
border-radius: 10px;
}

.cta-btn-txt :link , :visited{
    color: rgb(255, 255, 255);
    text-decoration: none;
}

a :hover{
    background-color: rgb(201, 0, 0);
}