.opcoes{
    margin: auto;   
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    
}

.input{
    font-size: 12px;
}

ul{
    margin: 0;
    padding: 0;
    list-style: none;
    display: inline-block;
}

ul li{
    float: left;
    background-color: rgb(110, 115, 129);
    color: #fff;
    width: 180px;
    height: 40px;
    opacity: 0.9;
    line-height: 40px;
    text-align: center;
    font-size: 18px;
    cursor: pointer;
}

ul li a{
    text-decoration: none;
    color:  white;
    display: block;
}

.back:hover{
    background-color: rgb(78, 82, 95);
}

ul li ul li{
    display: none;
}

ul li:hover ul li{
    display: block;
    cursor: pointer;
}

.out{
    margin-top: 100px;
}

span{
    display: block;
    width: 26vw;
    margin-top: 10px;
}

@media (max-width: 1599px) {
    ul li{
        float: left;
        width: 80px;
        font-size: 11px;
    }
    span{
        display: block;
        background-color: rgb(191, 191, 192);
        width: 20vw;
    }
}

@media (max-width: 399px) {
    ul li{
        float: left;
        width: 77px;
        font-size: 11px;
    }
    span{
        display: block;
        background-color: rgb(191, 191, 192);
        width: 45vw;
    }
}

@media (max-width: 384px) {
    ul li{
        float: left;
        width: 75px;
        font-size: 11px;
    }
    span{
        display: block;
        background-color: rgb(191, 191, 192);
        width: 60vw;
    }
}

@media (max-width: 360px) {
    ul li{
        float: left;
        width: 70px;
        font-size: 10px;
    }
}

@media (max-width: 349px) {
    ul li{
        float: left;
        width: 65px;
        font-size: 10px;
    }
}