style.css

.center{
    display: flex;
    align-items: center;
    justify-content: center;
}
.colour{
    background-color: aqua;
}
nav ul li{
    padding-right:20vw ;
    padding-left: 20vw;
    display: inline-block;
}
nav ul li a{
    text-decoration: none;
    color: white;
}

.container{
    height: 80vh;
    display: flex;
    flex-direction: column;
}
.padding{
    padding: 30px;
    font-size: 20px;
}
.btn1{
    text-align: center;
    margin-right: 50px;
    margin-left: 50px;
    height: 30px;
    width: 80px;
    cursor: pointer;
    border: 2px solid black;
    padding: 20px;
    font-size: 25px;
    border-radius: 4px;
    background-color: #3244ee;
}
#btn{
    cursor: pointer;
    border:2px solid black;
    padding: 10px;
    border-radius: 5px;
    background-color:rgb(59, 58, 58);
    color: white;
}