*{
    margin: 0;
}

body{
    background-image: url(obrazky/cerna.jpg);
    text-align: center;
    font-family: 'Roboto', sans-serif;
}

.obal{

}

@media (max-width: 400px){
    #obal{
        display: block;
    }
}

.odkazy{
    background-color: whitesmoke;
    border: none;
    color: rgb(0, 0, 0);
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 19px;
    border-radius: 20px;
    opacity: 0.6;
    transition: 0.3s;
    display: inline-block;
    text-decoration: none;
    cursor: pointer;
    margin: 2%;
    
}

.odkazy:hover{
    color: #050505;
    background: #ffffff;
    box-shadow: 0 0 10px #20ec3b, 0 0 40px #20ec3b, 0 0 80px #20ec3b;
    transition-delay: 0.1s;
}

h1{
    margin: 5%;
    text-shadow: 1px 1px 2px rgb(255, 255, 255), 0 0 1em #20ec3b, 0 0 0.2em #20ec3b;
}

.pepe{
    width: 100%;
    height: auto;
    max-width: 400px;
}