.d1{
    background-image: linear-gradient(90deg, red, green, yellow);

}
.head{
    text-align: center;
    text-decoration: underline;
}
.d2{
    display: flex;
    border: 3px solid red;
    background-color: aquamarine;
    justify-content: center;
    width: 900px;
    margin-left: 150px;
    border-radius: 15px;
}
/* .list{
    padding-left: 200px;
} */
.d3{
    display: inline-block;
    background-color: aquamarine;
    border: 3px solid red;
    border-radius: 15px;
    width: 100%;
    margin-top: 20px;
}
.d4{
    display: inline-block;
    width: 350px;
    background-color: aqua;
    border: 3px solid green;
    border-radius: 15px;
    margin-left: 40px;
    padding: 5px;
    transition: 2s;
}
.d3 :hover{
    background-image: linear-gradient(orange, white, green);
    transform: scale(1.5);
}
.d5{
    background-color: aqua;
    border: 3px solid green;
    border-radius: 15px;
    margin-left: 600px;
    width: 400px;
}
.d6{
    text-decoration: underline;
    text-align: center;
    background-image: linear-gradient(90deg, red, yellow, red);
    animation-name: rotate;
    animation-duration: 2s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-fill-mode: backwards;
    position: relative;
}
@keyframes rotate{
    100%{
        transform: skew(40deg);
    }
}
.d7{
    display: grid;
    grid-template-columns: auto auto auto auto;
    justify-content: space-evenly;
    /* column-gap: 20px; */
    background-image: radial-gradient(blue, aqua, green);
}
.d8{
    border: 3px solid red;
    border-radius: 15px;
    text-align: center;
    background-color: yellow; 
    width: 150px;
    margin: 40px;
    transition: 2s;
}
.d8:hover{
    transform: skewX(-30deg);
}
.txt{
    color: brown;
    text-decoration: underline;
    line-height: 40px;
    /* margin: 20px; */
}
.d9{
    /* display: grid;
    grid-template-columns: auto auto auto auto; */
    border: 2px solid red;
    /* height: 350px; */
    margin-top: 20px;
}
.top{
    position: relative;
    background-color: indianred;
    color: white;
    text-align: center;
    /* margin-top: 20px; */
    height: 40px;
    top: -23px;
}
.main{
    display: grid;
    grid-template-columns: auto auto auto auto;
    column-gap: 5px;
    row-gap: 5px;
    margin-top: -30px;
}
.item {
    background-color: aqua;
    border: 2px solid red;
}
.item4{
    /* grid-row-start: 1;
    grid-row-end: 2; */
    grid-row: span 2;
    background-color: black;
}
.item5{
    grid-column: span 3;
}
/* .d13{
    background-color: orange;
    color: aliceblue;
    margin-top: 20px;
    height: 100px;
    font-weight: 900;
} */
.d14{
    background-color: aqua;
    text-align: center;
}
.d15{
    position: relative;
    background-color: black;
    float: right;
    /* top: -300px;
    left: 150px; */
    width: 100px;
}
ol{
    color: aliceblue;
    text-decoration: underline;
}
.d2{
    transition: 2s;
}
.d2 :hover{
    transform: scale(1.3);
}