nav{
  
    background: linear-gradient(to right,rgb(69, 69, 160),rgb(25, 121, 46));
}

h2:after{
    display: block;
    content: "";
    width: 15%;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(to right, rgb(125, 218, 241), rgb(238, 89, 89));
    margin: auto;
    margin-bottom: 3%;
}

body
{
    background-image: url("https://cdn.pixabay.com/photo/2021/06/24/11/18/background-6360861_960_720.png");
    background-repeat: no-repeat;
    background-size:cover;
    background-attachment: fixed;
}

section
{
    margin-top:3%;
}

input{
    padding:2% 5%;
    font-size: 20px;
    border-radius:10px;
    width:20%;
    margin-bottom: 5%;
}

select{
    padding:2% 4%;
    font-size: 20px;
    border-radius: 10px;
    width:20%;
    margin-bottom: 5%;
    margin-right:1.5%;
}

button{
    padding:2% 5%;
    font-size: 25px;
    margin-bottom: 2%;
}