*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.main{
    width: 100%;
    height: 100vh;
    background-color: black;
}




/* ----------------header start --------------------- */
.header{
    height: 100px;
}
.header h1{
    line-height: 100px;
    font-size: 35px;
    color: white;
    text-shadow: 3px 3px 3px red;
}
/* ----------------header end --------------------- */





/* ----------------cards start --------------------- */

.upper{
    display: flex;
    /* justify-content: space-evenly; */
}
.lower{
    display: flex;
    /* justify-content: space-evenly; */
}
.work{
    background-color: white;
    padding: 10px;
    margin: 12px;
    width: 32%;
    height: 300px;
    border-radius: 15px 50px;
    border: 1px solid black;
    /* border-radius: 15px; */
}
/* ----------------cards end --------------------- */





/* ----------------card1 start --------------------- */
.card1{
    display: flex;
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
    justify-content: center;
    background: linear-gradient(100deg,#f96d80,#303960);
}
.card1:hover{
    /* background-color: ; */
    box-shadow: 2px 2px 20px 0 rgba(255, 255, 255, 0.94);
    transform: translateY(-20px);
    cursor: pointer;
}
.card1 h3{
    margin-bottom: 20px;
    font-size: 20px;
    /* color: #; */
}
.card1 button{
    margin-top: 20px;
    width: 30%;
    margin-left: 230px;
    padding: 12px;
    cursor: pointer;
    font-weight: 400;
    border-radius: 20px;
    background: #e65c00;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #F9D423, #e65c00);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #F9D423, #e65c00); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.card1 button:hover{
    background: #DC2424;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #4A569D, #DC2424);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #4A569D, #DC2424); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    color: white;
    outline: none;
}

.card1 table input{
    border: none;
    border-bottom: 1px solid black;
    background: transparent;
}
.card1 table label{
    color: #3c2946;
    font-weight: bolder;
    font-size: 18px;
    text-shadow: 1px 1px 1px;
}

::placeholder{
    color: #d9adad;
}
/* ----------------card1 end --------------------- */



/* ----------------card2 start --------------------- */
.card2{
    display: flex;
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
    justify-content: center;
    background: linear-gradient(100deg,#f96d80,#303960);
}
.card2 h3{
    margin-top: 40px;
    margin-left: 40px;
    margin-bottom: 20px;
    font-size: 20px;
}
.card2 table input{
    border: none;
    border-bottom: 1px solid black;
    background: transparent;
}
.card2 table label{
    margin-left: 40px;
    color: #3c2946;
    font-weight: bolder;
    font-size: 18px;
    text-shadow: 1px 1px 1px;
}
.card2 button{
    margin-top: 20px;
    width: 30%;
    margin-left: 300px;
    padding: 12px;
    cursor: pointer;
    font-weight: 400;
    border-radius: 20px;
    background: #e65c00;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #F9D423, #e65c00);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #F9D423, #e65c00); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.card2 button:hover{
    background: #DC2424;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #4A569D, #DC2424);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #4A569D, #DC2424); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    color: white;
    outline: none;
}
.card2:hover{
    /* background-color: ; */
    box-shadow: 2px 2px 20px 0 rgba(255, 255, 255, 0.94);
    transform: translateY(-20px);
    cursor: pointer;
    
}
/* ----------------card2 end --------------------- */



/* ----------------card3 start --------------------- */
.card3{
   background-color: black;
}
body {
    background:#777;
  }
  
  main{
    width: 300px;
    /* padding: 20px; */
    border-radius: 20px;
    margin-left: 80px;
    /* border: 2px solid #333; */
}
main p{
    padding: 0;
    margin: 0;
    text-align: left;
    font-family: 'Oxanium';
    font-size: 12px;
    color: #f37c0d;
}
main #window{
    border-radius: 20px;
    margin: 10px 0;
    text-align: right;
    background: #fff;
    color: #000;
    height: 40px;
    width: 68%;
    padding: 12px 20px;
    box-sizing: border-box;
    border: 1px solid #777;
    outline: none;
    font-size: 40px;
}
main div input[type='button'],
main div button{
    width: 50px;
    height: 50px;
    margin: 2px 0;
    outline: none;
    cursor: pointer;
    border: none;
    border-radius: 50%;
    font-size: 20px;
}
main div input,
main .bottom button,
main .bottom input#equal{
    height: 50px;
    width: 104px;
    border-radius: 20px;
}
main .bottom input{
    background: #f37c0d;
    color: #fff;
}
main .bottom button{
    background: red;
    color: #fff;
}
#plus, #minus, #multi, #divi{
    color: #fff;
    background-color: #999;
}
/* ----------------card3 end --------------------- */



/* ----------------card4 start --------------------- */

.card4{
    /* display: none; */
    display: flex;
    /* flex: 1; */
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
    /* justify-content: center; */
    background: linear-gradient(100deg,#f96d80,#303960);
}
.card4:hover{
    /* background-color: ; */
    box-shadow: 2px 2px 20px 0 rgba(255, 255, 255, 0.94);
    transform: translateY(-20px);
    cursor: pointer;
    
}
.card4 h2{
    margin-top: 50px;
    margin-left: 30px;
}
.card4 h3{
    /* margin-left: 50px;
    margin-right: 50px; */
}
#demo{
    margin-top: 40px;
    text-align: center;
    /* border-bottom: 2px solid black; */
}
/* ----------------card4 end --------------------- */



/* ----------------card5 start --------------------- */
/* #mainn{
    display: none;
} */
.card5{
    display: flex;
    flex-direction: column;
    padding-left: 20px;
    padding-right: 20px;
    /* flex: 1; */
    background: linear-gradient(100deg,#f96d80,#303960);
}
.card5 h3{
    text-align: center;
    margin-top: 50px;
    font-size: 25px;
}
.card5:hover{
    /* background-color: ; */
    box-shadow: 2px 2px 20px 0 rgba(230, 9, 9, 0.94);
    transform: translateY(-20px);
    cursor: pointer;
    
}
.card5 button{
    margin-top: 20px;
    width: 25%;
    margin-left: 170px;
    padding: 12px;
    cursor: pointer;
    font-weight: 400;
    border-radius: 20px;
    background: #e65c00;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #F9D423, #e65c00);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #F9D423, #e65c00); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.card5 button:hover{
    background: #DC2424;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #4A569D, #DC2424);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #4A569D, #DC2424); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    color: white;
    outline: none;
}

/* ----------------card5 end --------------------- */




/* ----------------card6 start --------------------- */
.card6{
    /* display: none; */
    /* flex: 2; */
    display: flex;
    margin-top: 80px;
    height: 230px;
    /* width: 330px; */
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(100deg,#f96d80,#303960);
}
.card6 table{
    margin-top: 10px;
    margin-left: 75px;
    text-align: center;
    height: 150px;
    width: 250px;
}
.card6 input{
    border: none;
    background: transparent;
}

.card6 button{
    margin-top: 10px;
    width: 25%;
    margin-left: 170px;
    padding: 12px;
    cursor: pointer;
    font-weight: 400;
    border-radius: 20px;
    background: #e65c00;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #F9D423, #e65c00);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #F9D423, #e65c00); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.card6 button:hover{
    background: #DC2424;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #4A569D, #DC2424);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #4A569D, #DC2424); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    color: white;
}

/* ----------------card6 end --------------------- */