@media (max-width: 1000px){
    main .container-main div{
        margin: auto;
    }
    main .container-main img {
        display: none;        
    }
    h2 {
        margin-left: 50px;
    }
    div h3{
        margin-left: 50px;
    }
    form {
        display: flex;
        align-items: center;
        width: 100%;
        padding-top: 30px;
        text-align: center;
        flex-direction: column;
    }
    input {
        margin: 12px;
    }
}


@media (max-width:1000px) {
    .container {
        padding: 0px 20px;
    }
}

@media (max-width: 630px){
    nav {
        display: none;
    }
    main .container-menu img{
        display: none;
    }
    .container-menu {
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #checkbox-menu {
        position: absolute;
        opacity: 0;
    }

    label {
        cursor: pointer;
        position: relative;
        display: block;
        height: 22px;
        width: 30px;
    }

    label span {
        position: absolute;
        display: block;
        height: 5px;
        width: 100%;
        background: white;
        border-radius: 30px;
        transition: 025s ease-in-out;
    }

    label span:nth-child(1) {
        top: 0;
    }
    label span:nth-child(2) {
        top: 8px;
    }
    label span:nth-child(3) {
        top: 16px;
    }

    #checkbox-menu:checked + label span:nth-child(1) {
        transform: rotate(-45deg);
        top: 8px;
    }

    #checkbox-menu:checked + label span:nth-child(2) {
        opacity: 0;
    }

    #checkbox-menu:checked + label span:nth-child(3) {
        transform: rotate(45deg);
        top: 8px;
    }
}