body{
    background-image: linear-gradient(to bottom, rgb(20, 209, 20), rgb(29, 26, 26));
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
li {
    color: whitesmoke;
}

a{text-decoration: none;}

mark {
    background-color: rgba(0, 0, 0, 0.75);
}

.nav {
    height: 80px;
    width: 100%;
    background-color: #3B838C;
    box-shadow: 0px 0px 10px 3px #3B838C;
    padding-top: 5px;
    padding-right: 2%;
    padding-left: 2%;
    align-items: center;
    justify-content: space-between;
}

@media (min-width:800px) {
    .nav {
        padding-right: 150px;
    }
}

.Tital{
    display: flex;
    justify-content: center;
    /*<->*/
    align-items: center;
    /*^*/
    flex-direction: column;
    text-align: center;
    margin-top: 2rem;
    padding-left: 5%;
    padding-right: 5%;
}

.Smain{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 1rem;
    min-height: calc(100vh - 400px);
}

.main{
    background-color: rgba(0, 0, 0, 0.75);
    border-radius: 1rem;
    width: 90%;
    max-width: 600px;
    height: auto;
    margin-top: 1rem;
    padding: 2rem 1rem;
    text-align: center;
    display: block;
}

.main h5 {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.main h5 img {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

.footer {
    position: relative;
    margin-top: auto;
    height: 50px;
    padding-top: 12.5px;
    padding-left: 10px;
    padding-right: 10px;
    width: 100%;
    text-align: center;
    background-color: #3B838C;
    color: whitesmoke;
}

@media (max-width: 600px) {
    .main {
        width: 95%;
        margin-top: 1rem;
        padding: 1.5rem 1rem;
    }
    
    .main h5 {
        font-size: 1rem;
    }
    
    .main h5 img {
        width: 20px;
        height: 20px;
    }
}