*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}
html,body{
    width: 100vw;
    height: 100vh;
}
nav{
    background-color: hsl(213, 100%, 60%);
    padding: 10px 20px;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.main_section{
    /* border: 2px solid black; */
    width: 70%;
    height: 70%;
    margin: auto;
    margin-top: 10px;
   display: flex;
   flex-direction: column;
   justify-content: center;
   align-items: center;
   text-align: center;
}
.main_section h1{
    font-size: 4rem;
    font-weight: 700;
    color: hsl(0, 0%, 25%);
}
.brand{
    color: hsl(213, 100%, 60%);
    font-weight: 800;
}
.main_section p{
    font-size: 1.2rem;
    color: black;
    font-weight: 400;
    margin-bottom: 20px;
}

@media (max-width:600px) {
    .main_section{
        width: 100%;
    }
    .main_section h1{
        font-size: 3.2rem;
    }
}