style.css

body{
margin: 0;
padding: 0;
background-image: url(SunSet.jpg);

}

.Desision{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);

}

.btn{
    border-radius: 25px;
    border: 3px solid #00a8ff ;
    background: none;
    padding: 10px 20px;
    width: 200px;
    font-size: 25px;
    font-family: none ;
    cursor: pointer;
    margin: 10px;
    transition: 0.8s;
    position: relative;
    overflow: hidden;
}
.btn1,.btn2{
    color: #00a8ff;
    font-family: montserrat;
}
.btn1:hover,.btn2:hover{
    color: #fff;
}
.btn::before{
    content: "";
    position: absolute;
    left: 0px;
    width: 100%;
    height: 0%;
    background: #00a8ff ;
    z-index: -1;
    transition: 0.8s;
}
.btn1::before,.btn2::before{
    top: 0;
    border-radius: 0 0 50% 50% ;
}
.btn1:hover::before,.btn2:hover::before{
    height: 180%;
}
*{
    padding: 0;
    margin: 0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;
}
body{
    font-family: montserrat;
}
  nav{
    background: #0082e6;
    height: 80px;
    width: 100%;
}


  nav ul.Navigation{
    float: right;
    margin-left: 20px;
}
 nav ul.Navigation li{
    display: inline-block;
    line-height: 80px;
    padding-right: 20px;
}
nav ul.Navigation li a{
    color: white;
    font-size: 17px;
    padding: 7px 13px;
    border-radius: 3px;
    text-transform: uppercase;
}

label.logo{
    color: white;
    font-size: 35px;
    line-height: 80px;
    margin: 40px;
    font-weight: bold;
}