html {
    font-size: 62.5%;
    animation: html 2s;
}
@keyframes html {
    0%{
        opacity: 0;
    }
}

.main{
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.box{
    margin: 5rem auto 5rem;
    width: 50rem;
    text-align: center;
}

form{
    width: 30rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

select, input{
    margin-bottom: 1rem;
    height:  3rem;
    box-sizing: border-box;
}

button{
    background: hsl(210, 100%, 56%);
    height: 5rem;
    cursor: pointer;
    font-weight: bold;
    color: white;
    transition: all .7s;
}

button:hover{
    background: hsl(330, 100%, 56%);
    transform: scale(.9);
}

select, input, button{
    border: none;
    box-shadow: .2rem .2rem .5rem gray;
    padding: 0 1rem;

}

@media (min-width: 0px) and (max-width: 599px) {
    .box{
        width: 100%;
    }

    .box h1{
        width: 80%;
        margin: 0 auto;
    }
    form{
        width: 90%;
    }

    select,input,button{
        height: 5rem;
        margin-top: 2rem;
    }
}