body{
    overflow-x: hidden;
}
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td,
img,
div,
a {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: .4s;
    -o-transition: .4s;
    -moz-transition: .4s;
    -webkit-transition: .4s;
}
textarea:focus{
    outline: none;
}
ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
    -webkit-user-select: none;
    -moz-user-focus: none;
    -moz-user-select: none;
}

.mydh {
    transition: .4s;
    -o-transition: .4s;
    -moz-transition: .4s;
    -webkit-transition: .4s;
}

button {
    border: none;
}

input:focus {
    outline: none;
}

fieldset,
img {
    border: 0;
}