body{text-align: center;background: linear-gradient(to bottom, #ffffff, #8aa8cf );min-height: 100vh; margin: 0;}
nav {width: 60%;margin: 20px auto;text-align: center; border-top: 1px solid #4d86c7; border-bottom: 1px solid #4774a7;} 
a{margin-left: 100px; margin-right: 50px; color: #1e3a8a ;text-decoration: none;}
h1{color:#1e3a8a ; margin-bottom: 10px;}
.trida1{margin-left: 50px;}
.trida3 {margin-left: 90px;}
.cislo1 {max-width: 100%; border-radius: 12px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);}
img{border-radius: 12px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);}
 .trida2{margin-left: 15px;}
p{font-size: 20px;}