*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Montserrat' , sans-serif;
}
.hero{
    height: 100vh;
    width: 100%;
    background: url(underwater.jpg);
    background-size: cover;
    background-position: center;
    position: relative;
}
.logo img{
    padding-top: 1px;
    width: 90px;
    cursor: pointer;
    align-items: center;
}
nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 5px;
    padding-left: 7%;
    padding-right: 25%;
}
nav ul li{
    list-style: none;
    display: inline-block;
    padding: 0px 20px;
    padding-right: 20px;

}
nav ul a{
    color: #ffffffb3;
    font-size: 25px;
    letter-spacing: 3px;
    border: 2px solid rgb(255, 255, 255);
    border-radius: 10px;
    width: 10em;
    height: 3ex;
    transition: 0.5s;
}
nav ul a:hover{
    color: rgb(0, 0, 0);
    background-color: rgb(17, 138, 230);
}
.nadpis{
    padding-left: 45%;
    font-size: 200%;
    color: aqua;
    text-shadow: 3px 3px 5px rgb(94, 84, 239);
    transition: 0.5s;
    cursor: default;
}
.nadpis:hover{
    color: white;
}
.container {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: flex-start;
	margin: auto;
	max-width: 960px;
	padding: 20px;
    padding-top: 5%;
}
.column1 h2{
    color: aqua;
}
.column2 h2{
    color: aqua;
}
.column1{
	width: 45%;
    color: #CCFFCC;
    border: 1px solid aqua;
    transition: 1s;
}
.column1:hover{
    background-color: rgb(0, 0, 24);
    border-radius: 15px;
    border: 1px solid aqua;
    color:  #66CCFF;
}
.column2{
    width: 45%;
    color: #CCFFCC;
    border: 1px solid aqua;
    transition: 1s;
    padding-left: 1%;
    padding-bottom: 1%;
}
.column2:hover{
    background-color: rgb(0, 0, 24);
    border-radius: 15px;
    border: 1px solid aqua;
    color: #66CCFF;
}
.pata{
    color: white;
    background-color: rgb(0, 0, 0); 
    clear: both;
    text-align: center;
    margin-top: 2%;
    padding-bottom: 2%;
    bottom: 0;
    position: absolute;
    width: 100%;
}
@media (max-width: 748px) {
    .hero{
        height: auto;
    }

    nav ul a {
        font-size: smaller;
        display: inline;
        padding: 0px 5px;
        display: inline;
    }

    .nadpis{
        padding-left: 44%;
    }

    .container {
        flex-direction: column;
    }

    .column1{
        background-color: black;
        margin-left: 32%;
        flex-direction: column;
    }

    .column2 {
        background-color: black;
        margin-left: 32%;
    }

}
@media (max-width: 375px) {
    .nav ul a {

    }
    
    .column1{
        width: 80%;
        height: 20%;
    }
    .column2{
        width: 80%;
        height: 20%;
    }
}