*{
    box-sizing: border-box;
    margin: 0px;
    padding: 0px;
    
}
body{
    position: relative;
    
    width: 100vw;
    height: 100vh;
    background-image: linear-gradient(rgba(255,255,255,.3), rgba(255,255,255,.3)),url("https://images.unsplash.com/photo-1530799164-fe981d01a118?ixid=MXwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHw%3D&ixlib=rb-1.2.1&auto=format&fit=crop&w=750&q=80");
    background-repeat: no-repeat;
    Background-size: cover;
    
}

#container{
    margin: 0;
    position: absolute;
    
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    
    
  
    
}
form{
   border-radius: 5px;
    display: flex;
    flex-direction: column;
    height: 350px;
    justify-content: space-around;
    box-shadow: 0px 0px 13px 0px rgba(0,0,0,0.75);
    padding: 15px;
    background-color: white;
    font-family: 'Roboto', sans-serif;
}
#container h1{
    width: 100%;
    padding: 15px 45px;
    align-items: center;
    font-family: 'Roboto', sans-serif;
    color: rgb(255, 255, 255);
    text-transform: uppercase;
    margin-bottom: 10px;
    box-shadow: 0px 0px 13px 0px rgba(0,0,0,0.75);
    letter-spacing: 5px;
    border-radius: 5px;
    background-color: rgb(61, 105, 122);


}
input, select{
    padding: 10px;
    border-radius: 5px;
    background-color: rgb(224, 222, 222);
    border: none;
}
button{
    text-transform: uppercase;
    width: 50%;
    height: 30px;
    margin: 0 auto; 
    border: none;
    display:inline-block;
    padding:0.3em 1.2em;
 
    border-radius:.50em;
    text-decoration:none;
    font-family:'Roboto',sans-serif;
    font-weight:400;
    color:#FFFFFF;
    background-color:#4eb5f1;
    text-align:center;
    transition: all 0.2s;
    outline: none ;
}
button:hover{
     background-color:#4095c6;
    
}
#totalTip{
    width: 45%;

    margin: 0 auto; 