styles3.css

*{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif; 
    background-color: #2B3467;
}

.hero{
    position: relative;
    width: 100%;
    height: 100vh;
}

.logo{
    width: 20%;
    height:20%;
}

nav{
    display: flex;
    width: 84%;
    margin: auto;
    padding: 20px 0;
    align-items: centre;
    justify-content: space-between;

}

nav ul li{
    display: inline-block;
    list-style: none;
    margin: 10px 20px;;
}

.underline{
    text-decoration: none;
    color: #BAD7E9;
    position: relative;
    cursor: pointer;

}

.underline:after{
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    color: #EB455F;
    background-color: #EB455F;
    transition: width 0.4s ease-in-out;

}

.underline:hover:after {
    width: 100%;
}

.underline:hover{
    color: #EB455F;
    transition: ease-in-out;
}

.heading{
    color: #BAD7E9;
    text-decoration-thickness: 2px;
    font-size: 30px;
    margin-left: 8%;
    margin-top: 2%;
}

.column{
    display: flex;
    float: left;
    margin: 2% 8%;
}

.column-style{
    display: block;
    margin-bottom: 1.5%;
    margin-left: 4%;
    background-color: #BAD7E9;
    border-radius: 5%;
    width: 250%;
    text-align: center;
    padding: 0.7%;
    text-decoration: none;
    color: #2B3467;
    font-size: 20px;
    box-shadow: 0 0 25px black;
}

.column-style:hover{
    background-color: #EB455F;
    color: #BAD7E9;
    transition: 0.2s;
    transition-timing-function: ease-in-out;
}


.columna{
    display: flex;
    float: left;
    margin: 2% 8%;
}

.columna-style{
    display: block;
    margin-bottom: 1.5%;
    margin-left: 4%;
    background-color: #BAD7E9;
    border-radius: 5%;
    width: 225px;
    text-align: center;
    padding: 0.7%;
    text-decoration: none;
    color: #2B3467;
    font-size: 20px;
    box-shadow: 0 0 25px black;
}

.columna-style:hover{
    background-color: #EB455F;
    color: #BAD7E9;
    transition: 0.2s;
    transition-timing-function: ease-in-out;
}