header {
    background-color: #67a8e2;
    display: flex;
}

    header h1 {
        font-family: Arial;
        font-weight: 400;
        font-size: 30px;
        align-items: center;
        margin-left: 20px;
        width: 60%;
    }

        header h1 a {
            text-decoration: none;
            color: black;
        }

    header ul {
        font-size: 20px;
        list-style: none;
        display: inherit;
        padding-top: 10px;
        width: 60%;
        margin-right: 20px;
        text-align: right;
        justify-content: right;
    }

        header ul li {
            margin: 0 5px;
        }

            header ul li a {
                text-decoration: none;
                color: black;
                margin-left: 3px;
                margin-right: 3px;
            }

                header ul li a:hover, a:focus {
                    background-color: #302ce1;
                    color: white;
                }

#screen {
    margin: 0 4px;
    border-right: 1px solid #ffffff;
    border-left: 1px solid #666;
}

#SPMenu {
    display: none;
}
#SPnavbar {
    display: none;
}

@media screen and (max-width:1200px) {

    header h1 {
        width: 600px;
    }

    header ul {
        width: 750px;
    }
}

/*iPad*/
@media screen and (max-width:1020px) {

    header h1 {
        width: 700px;
    }

    header ul {
        width: 750px;
    }
}

@media screen and (min-width:851px) and (max-width:1020px) {
    header ul{
        padding:0;
    }
    header h1 {
        width: 600px;
    }
    header ul li {
        font-size: 20px;
    }
   
}


/*iPad*/
@media screen and (max-width:850px) {

    header h1 {
        width: 360px;
    }

    header ul {
        width: 478px;
        padding-left: 0px;
    }

        header ul li {
            font-size: 16px;
        }
   
}

    @media screen and (max-width:780px) {
        header h1 {
            width: 350px;
        }

        header ul {
            width: 410px;
            font-size: 10px;
            padding-left: 5px;
            padding-top: 15px;
            padding-bottom: 10px;
            /* vertical-align:10%; */
        }

            header ul li {
                padding-top: 6px;
                font-size: 16px;
                margin-left: 0px;
                margin-right: 0px;
            }

        #SPMenu {
            display: none;
        }

        #SPnavbar {
            display: none;
        }
    }

    @media screen and (max-width:769px) {

        header h1 {
            width: 100%;
            text-align: center;
            margin-left: inherit;
            margin-top: 20px;
            margin-bottom: 20px;
            font-size: 58px;
        }

        header ul {
            display: none;
        }

        #SPMenu {
            display: flex;
            font-size: xx-large;
            background-color: #67a8e2;
        }

            #SPMenu ul {
                list-style: none;
                margin-top: 0;
                margin-bottom: 0;
                padding-left: 25px;
            }

                #SPMenu ul li {
                    display: inline;
                }

                    #SPMenu ul li a {
                        text-decoration: none;
                        color: black;
                    }

        #SPnavbar {
            clear: both;
            margin: 0;
            display: flex;
        }

        #SPMenu p {
            display: none;
        }
    }

    @media screen and (max-width:425px) {
        header h1 {
            margin-top: 15px;
            margin-bottom: 15px;
        }

            header h1 a {
                font-size: 36px;
                align-items: center;
                margin-left: 0px;
                width: 60%;
            }

        #SPMenu {
            display: block;
        }

            #SPMenu p {
                display: flex;
                margin: 0;
                background-color: darkcyan;
                padding-left: 15px;
            }

            #SPMenu ul {
                list-style: none;
                display: grid;
                font-size: x-large;
                padding-left: 40px;
                background-color: #67a8e2;
            }

                #SPMenu ul li {
                    border-bottom: 1px solid gray;
                }
    }

    @media screen and (max-width:375px) {
        header h1 a {
            font-size: 32px;
        }
    }

    @media screen and (max-width:350px) {

        header h1 {
            width: 100%;
            font-size: 27px;
            text-align: center;
            margin-left: inherit;
        }
    }

    @media screen and (max-width:320px) {
        header h1 a {
            font-size: 27px;
        }
    }