*{
    padding: 0;
    margin:0;
    box-sizing:border-box;
}
header{
    width:100%;
    height:100vh;
    background:linear-gradient(rgba(0,0,0,0.8),rgba(29, 29, 29, 0.2)),
              url('images/IMG0.jpg');
    background-size:cover;
    font-family: sans-serif;
}
nav{
    width:100%;
    height: 100px;
    color:white;
    display:flex;
    justify-content: space-around;
    align-items: center;
    font-family:sans-serif;
}
.logo{
    font-size:2em;
    letter-spacing: 2px;
}
.menu  a{
    text-decoration: none;
    color:white;
    padding:10px 20px;
    font-size: 20px;
    position: relative;
}
.menu a::before{
    content:'';
    position: absolute;
    top:0;
    left:0;
    width:0%;
    height:100%;
    border-bottom: 2px solid indianred;
    transition: 0.4s linear;

}
.menu a:hover:before{
    width:90%
}
.register a{
    text-decoration: none;
    color:white;
    padding:10px 20px;
    font-size: 20px;
    background:indianred;
    border-radius:8px;
    transition: 0.4s;

}
.log{
    text-decoration: none;
    color:white;;
}
.register a:hover{
    background: transparent;
    border:1px solid indianred;
}
.h-txt{
    max-width:650px;
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%,-50%);
    text-align: center;
    color:white;
}
.h-txt span{
    letter-spacing: 5px;;
}
.h-txt h1{
    font-size: 3.5em;
}
.h-txt a{
    text-decoration: none;
    background-color: indianred;
    color:white;
    padding: 10px 20px;
    letter-spacing: 5px;
    transition: 0.4sec;
}
.h-txt a:hover{
    background: transparent;
    border:1px solid indianred;
}